Global status bar dimming is now 75%.
Signal/wifi: use problem color if not fully connected.
Battery: frame 40% white, charge level = white, new hollow bolt.
(hollow bolt simulated for now until we can draw it in code)
Update ic_notification_overlay, all sizes.
Workaround animation bug on tablets.
Bug:10502089
Change-Id: I10f979b7a48ccb1bc94022d8c189ec216283dbe6
21efa9ade3