VOL-1848 API for setting and querying loglevel of api-server;
Add source-router to support routing UpdateLogLevel to cores;
Add logging endpoints to rocore

Change-Id: I89eea3599ea3006fe92e6917221cd1fd235ec5e4
diff --git a/vendor/github.com/opencord/voltha-protos/protos/voltha_protos/afrouter.proto b/vendor/github.com/opencord/voltha-protos/protos/voltha_protos/afrouter.proto
index 2f2ec00..c10a00f 100644
--- a/vendor/github.com/opencord/voltha-protos/protos/voltha_protos/afrouter.proto
+++ b/vendor/github.com/opencord/voltha-protos/protos/voltha_protos/afrouter.proto
@@ -6,10 +6,15 @@
 
 package afrouter;
 
+// For logging
+import "voltha_protos/common.proto";
+
 service Configuration {
-    	rpc SetConnection (Conn) returns (Result) {}
+   	rpc SetConnection (Conn) returns (Result) {}
 	rpc SetAffinity(Affinity) returns (Result) {}
 	rpc GetGoroutineCount(Empty) returns (Count) {}
+	rpc UpdateLogLevel(common.Logging) returns (Empty) {}
+	rpc GetLogLevels(common.LoggingComponent) returns (common.Loggings) {}
 }
 
 message Result {
@@ -43,3 +48,4 @@
 	string backend = 4;
 	string id = 5;
 }
+