am 326d808b: Added View#dispatchViewVisibilityChanged and View#onDispatchVisibilityChanged; updated api; tests

Merge commit '326d808b858359464b2ffeb84f2e0a8e0c79b600' into eclair-mr2-plus-aosp

* commit '326d808b858359464b2ffeb84f2e0a8e0c79b600':
  Added View#dispatchViewVisibilityChanged and View#onDispatchVisibilityChanged; updated api; tests