Add new getOpPackageName for BridgeContext

Change-Id: Ib39b0bd2d1eb794ae4565e54251e4355fa139a14

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java

@@ -1089,6 +1089,12 @@ public final class BridgeContext extends Context {
         return null;
     }
 
+    @Override
+    public String getOpPackageName() {
+        // pass
+        return null;
+    }
+
     @Override
     public ApplicationInfo getApplicationInfo() {
         return mApplicationInfo;