am 6a5c0e10: Delete unsed mDnsLock.

* commit '6a5c0e10b192fe70e237c83bc752e2cbf66ffe0e':
  Delete unsed mDnsLock.

services/core/java/com/android/server/ConnectivityService.java

@@ -199,7 +199,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
     // 0 is full bad, 100 is full good
     private int mDefaultInetConditionPublished = 0;
 
-    private Object mDnsLock = new Object();
     private int mNumDnsEntries;
 
     private boolean mTestMode;