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