integrate RCTImpressionTrackingView into Fabric on Android

Summary:
This diff integrates RCTImpressionTrackingView into Fabric on Android

Following
https://www.internalfb.com/intern/wiki/React_Native/Migration_of_RN_Renderer_(Fabric)/
and
https://fb.quip.com/T8AtArEVcb0Z

Changelog: [Internal]

Reviewed By: bearzx

Differential Revision: D29804625

fbshipit-source-id: 16e89d629390093ace51d3b25725c37a49a08a39

ReactAndroid/src/main/java/com/facebook/react/fabric/FabricComponents.java

@@ -40,6 +40,7 @@ public class FabricComponents {
     sComponentNames.put("Map", "RCTMap");
     sComponentNames.put("WebView", "RCTWebView");
     sComponentNames.put("Keyframes", "RCTKeyframes");
+    sComponentNames.put("ImpressionTrackingView", "RCTImpressionTrackingView");
   }
 
   /** @return the name of component in the Fabric environment */