Don't double clip images in Nodes

Summary:
Nodes would typically clip its images, and then Fresco would then
re-clip as part of ScaleTypeDrawable - in addition to being unnecessary,
it's also incorrect, beacuse it causes the image to be smaller than it
should be.

Reviewed By: sriramramani

Differential Revision: D3754778

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

@@ -207,6 +207,11 @@ import com.facebook.react.views.imagehelper.MultiSourceHelper.MultiSourceResult;
     }
   }
 
+  @Override
+  protected boolean shouldClip() {
+    return false;
+  }
+
   @Override
   public void onSubmit(String id, Object callerContext) {
     if (mCallback != null && mReactTag != 0) {