John Reck cd68212f08 Make updateSurface non-blocking
Bug: 30442298

We already do this for initialize(), fix
it so that update() is parallel with the
UI thread as well.

Shaves ~7ms off of the 99th percentile on
NotificationShade open & close

Change-Id: I1791df495453fb9e1e12362c68e3d20e837e62be
2016-08-09 12:11:13 -07:00
..
2016-08-09 12:11:13 -07:00