Don't overflow to negative ticks

Move transport constants to the appropriate location

Author: kvassall-unity

com.unity.multiplayer.mlapi/Runtime/Profiling/PerformanceDataManager.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 
 namespace MLAPI.Profiling
@@ -10,6 +11,7 @@ static class PerformanceDataManager
 
         internal static void BeginNewTick()
         {
+            s_TickID = Math.Max(s_TickID, 0);
             s_ProfilerData = new PerformanceTickData
             {
                 tickID = s_TickID++,

com.unity.multiplayer.mlapi/Runtime/Profiling/ProfilerConstants.cs

@@ -17,8 +17,5 @@ public enum ProfilerConstants
         NumberOfRPCQueueProcessed,
         NumberOfRPCsInQueueSize,
         NumberOfRPCsOutQueueSize,
-
-        NumberOfTransportSends,
-        NumberOfTransportSendQueues,
     }
 }

com.unity.multiplayer.mlapi/Runtime/Transports/UNET/ProfilerConstants.cs

@@ -0,0 +1,8 @@
+namespace MLAPI.Transports.UNET
+{
+    public enum ProfilerConstants
+    {
+        NumberOfTransportSends,
+        NumberOfTransportSendQueues,
+    }
+}