Bug: 17372309
Fixes a case where UI thread and RT thread both used the same method
which wasn't safe for either of them.
Adds additional assertions & logging in unusual circumstances to
try and track down where the issue is occuring from.
Change-Id: I93d31a6fd0c5927259b67bdf96a475944226eee6
Tweaks animators to have less unnecessary refcounting
Pull animator management out into seperate class
More control to tweak animator lifecycle, such as doing
Java-side handling of start delay by attaching but not
starting the animator
Change-Id: I4ff8207580ca11fb38f45ef0007b406e0097281c