Change Activity Scene Transitions to be more automatic redo.

This reverts commit 206e30cd93afe3eb72ec94178324417db5424ed2
along with removing the additional startActivity* methods
and replaces them with ActivityOptions makeSceneTransitionAnimation
methods.

Change-Id: I52bec31ae3c4cea6d549810ae5a7acd8aea176d8
16 files changed