VOL-4337: Code upgrade for 3/2020 G.988 support and remaining Extended Message Set support

Change-Id: I6c5e1a167216ad9b51e9da89460e9909465ae1bc
diff --git a/generated/xg-pondownstreammanagementperformancemonitoringhistorydata.go b/generated/xg-pondownstreammanagementperformancemonitoringhistorydata.go
index 53e549d..3245441 100644
--- a/generated/xg-pondownstreammanagementperformancemonitoringhistorydata.go
+++ b/generated/xg-pondownstreammanagementperformancemonitoringhistorydata.go
@@ -27,11 +27,11 @@
 
 // XgPonDownstreamManagementPerformanceMonitoringHistoryDataClassID is the 16-bit ID for the OMCI
 // Managed entity XG-PON downstream management performance monitoring history data
-const XgPonDownstreamManagementPerformanceMonitoringHistoryDataClassID ClassID = ClassID(345)
+const XgPonDownstreamManagementPerformanceMonitoringHistoryDataClassID = ClassID(345) // 0x0159
 
 var xgpondownstreammanagementperformancemonitoringhistorydataBME *ManagedEntityDefinition
 
-// XgPonDownstreamManagementPerformanceMonitoringHistoryData (class ID #345)
+// XgPonDownstreamManagementPerformanceMonitoringHistoryData (Class ID: #345 / 0x0159)
 //	This ME collects PM data associated with the XG-PON TC layer. It collects counters associated
 //	with downstream PLOAM and OMCI messages.
 //
@@ -42,13 +42,11 @@
 //
 //	Attributes
 //		Managed Entity Id
-//			Managed entity ID: This attribute uniquely identifies each instance of this ME. Through an
-//			identical ID, this ME is implicitly linked to an instance of the ANI-G. (R, set-by-create)
-//			(mandatory) (2-bytes)
+//			This attribute uniquely identifies each instance of this ME. Through an identical ID, this ME is
+//			implicitly linked to an instance of the ANI-G. (R, set-by-create) (mandatory) (2-bytes)
 //
 //		Interval End Time
-//			Interval end time: This attribute identifies the most recently finished 15-min interval. (R)
-//			(mandatory) (1-byte)
+//			This attribute identifies the most recently finished 15-min interval. (R) (mandatory) (1-byte)
 //
 //		Threshold Data 1_2 Id
 //			Threshold data 1/2 ID: This attribute points to an instance of the threshold data 1 ME that
@@ -61,17 +59,17 @@
 //			(4-bytes)
 //
 //		Downstream Ploam Messages Count
-//			Downstream PLOAM messages count: This attribute counts PLOAM messages received, either directed
-//			to this ONU or broadcast to all ONUs. (R) (optional) (4-bytes)
+//			This attribute counts PLOAM messages received, either directed to this ONU or broadcast to all
+//			ONUs. (R) (optional) (4-bytes)
 //
 //		Profile Messages Received
-//			Profile messages received: This attribute counts the number of profile messages received, either
-//			directed to this ONU or broadcast to all ONUs. In [ITU-T G.9807.1], this attribute is used for
-//			received burst_profile message count.  (R) (optional) (4-bytes)
+//			This attribute counts the number of profile messages received, either directed to this ONU or
+//			broadcast to all ONUs. In [ITU-T G.9807.1], this attribute is used for received burst_profile
+//			message count.  (R) (optional) (4-bytes)
 //
 //		Ranging_Time Messages Received
-//			Ranging_time messages received: This attribute counts the number of ranging_time messages
-//			received, either directed to this ONU or broadcast to all ONUs. (R) (mandatory) (4-bytes)
+//			This attribute counts the number of ranging_time messages received, either directed to this ONU
+//			or broadcast to all ONUs. (R) (mandatory) (4-bytes)
 //
 //		Deactivate_Onu_Id Messages Received
 //			Deactivate_ONU-ID messages received: This attribute counts the number of deactivate_ONU-ID
@@ -79,41 +77,40 @@
 //			messages do not reset this counter. (R) (optional) (4-bytes)
 //
 //		Disable_Serial_Number Messages Received
-//			Disable_serial_number messages received: This attribute counts the number of
-//			disable_serial_number messages received, whose serial number specified this ONU. (R) (optional)
-//			(4-bytes)
+//			This attribute counts the number of disable_serial_number messages received, whose serial number
+//			specified this ONU. (R) (optional) (4-bytes)
 //
 //		Request_Registration Messages Received
-//			Request_registration messages received: This attribute counts the number of request_registration
-//			messages received. (R) (optional) (4-bytes)
+//			This attribute counts the number of request_registration messages received. (R) (optional)
+//			(4-bytes)
 //
 //		Assign_Alloc_Id Messages Received
 //			Assign_alloc-ID messages received: This attribute counts the number of assign_alloc-ID messages
 //			received. (R) (optional) (4-bytes)
 //
 //		Key_Control Messages Received
-//			Key_control messages received: This attribute counts the number of key_control messages
-//			received, either directed to this ONU or broadcast to all ONUs. (R) (optional) (4-bytes)
+//			This attribute counts the number of key_control messages received, either directed to this ONU
+//			or broadcast to all ONUs. (R) (optional) (4-bytes)
 //
 //		Sleep_Allow Messages Received
-//			Sleep_allow messages received: This attribute counts the number of sleep_allow messages
-//			received, either directed to this ONU or broadcast to all ONUs. (R) (optional) (4-bytes)
+//			This attribute counts the number of sleep_allow messages received, either directed to this ONU
+//			or broadcast to all ONUs. (R) (optional) (4-bytes)
 //
 //		Baseline Omci Messages Received Count
-//			Baseline OMCI messages received count: This attribute counts the number of OMCI messages
-//			received in the baseline message format. (R) (optional) (4-bytes)
+//			This attribute counts the number of OMCI messages received in the baseline message format. (R)
+//			(optional) (4-bytes)
 //
 //		Extended Omci Messages Received Count
-//			Extended OMCI messages received count: This attribute counts the number of OMCI messages
-//			received in the extended message format. (R) (optional) (4-bytes)
+//			This attribute counts the number of OMCI messages received in the extended message format. (R)
+//			(optional) (4-bytes)
 //
 //		Assign_Onu_Id Messages Received
 //			Assign_ONU-ID messages received: This attribute counts the number of assign_ONU-ID messages
 //			received since the last re-boot. (R) (optional) (4-bytes)
 //
 //		Omci Mic Error Count
-//			OMCI MIC error count: This attribute counts MIC errors detected in OMCI messages directed to
-//			this ONU. (R) (optional) (4-bytes)
+//			This attribute counts MIC errors detected in OMCI messages directed to this ONU. (R) (optional)
+//			(4-bytes)
 //
 type XgPonDownstreamManagementPerformanceMonitoringHistoryData struct {
 	ManagedEntityDefinition