Fix touch inspector when using Nodes

Summary:
Fix touch inspector when using Nodes by implementing custom logic.
This logic now takes into account that non-View nodes need to be clickable.

Reviewed By: astreet

Differential Revision: D3433927

ReactAndroid/src/main/java/com/facebook/react/flat/NodeRegion.java

@@ -42,4 +42,8 @@ package com.facebook.react.flat;
   /* package */ int getReactTag(float touchX, float touchY) {
     return mTag;
   }
+
+  /* package */ boolean matchesTag(int tag) {
+    return mTag == tag;
+  }
 }