Change onAssetDidLoad to bubbling event

Summary:
onAssetDidLoad is defined as bubbling event in iOS, change it to bubbling event and adde it to bubblingEventTypes to fix "missing: topAssetDidLoad" error in Viewpoints iOS.

Changelog: [Internal]

Reviewed By: JoshuaGross, mdvacca

Differential Revision: D22209406

fbshipit-source-id: 5da779d9d1d62c70d85d84ad80807ff688e29e2f

Libraries/Components/View/ReactNativeViewViewConfigAndroid.js

@@ -19,6 +19,12 @@ const ReactNativeViewViewConfigAndroid = {
         captured: 'onSelectCapture',
       },
     },
+    topAssetDidLoad: {
+      phasedRegistrationNames: {
+        bubbled: 'onAssetDidLoad',
+        captured: 'onAssetDidLoadCapture',
+      },
+    },
   },
   directEventTypes: {
     topClick: {