[VOL-1624]
Tech profile changes in openolt adapter 2.x.

[VOL-1623]
Support for meter update

Change-Id: I98f2dd9848ce2b330dfbc536b06559c071e8cd8c
diff --git a/protos/voltha_protos/voltha.proto b/protos/voltha_protos/voltha.proto
index 673fddd..a6f9ee0 100644
--- a/protos/voltha_protos/voltha.proto
+++ b/protos/voltha_protos/voltha.proto
@@ -282,12 +282,13 @@
         };
     }
 
-    // Get all meter stats for logical device
-    rpc GetMeterStatsOfLogicalDevice(common.ID)
-            returns(openflow_13.MeterStatsReply) {
+    // List all meters of a logical device
+    rpc ListLogicalDeviceMeters(common.ID) returns (openflow_13.Meters) {
         option (google.api.http) = {
-            get: "/api/v1/logical_devices/{id}/meters_stats"
+            get: "/api/v1/logical_devices/{id}/meters"
         };
+        option (common.yang_xml_tag).xml_tag = 'meters';
+        option (common.yang_xml_tag).list_items_name = 'items';
     }
 
     // List all flow groups of a logical device
@@ -600,5 +601,6 @@
     }
     rpc Subscribe (OfAgentSubscriber) returns (OfAgentSubscriber) {
     }
+
 }