Robustness fix for clients returning weird stuff in the message data

autoHeightWebView/index.android.js

     if (!e.nativeEvent) {
       return;
     }
+    
+    // Sometimes the message is invalid JSON, so we ignore that case
+    try { JSON.parse(isBelowKitKat ? e.nativeEvent.message : e.nativeEvent.data) } catch(e) { return }
+
     const { height, width } = JSON.parse(isBelowKitKat ? e.nativeEvent.message : e.nativeEvent.data);
     const { height: oldHeight, width: oldWidth } = this.state;
     if (isSizeChanged(height, oldHeight, width, oldWidth)) {