Merge changes Ia8a90434,I35f484c7,I2e87e764 into nyc-dev
am: dddfff3c
* commit 'dddfff3c':
Tweaks to make overview animations to match spec.
Closing system windows when dismissing recents to app or home.
Caching the display rect to reduce binder calls.
Change-Id: Ic08f9b13b65dc0bebd2dcd79612089a65cca1262