SystemUI: Update no SIM status bar icon

* Correctly sized this time

Change-Id: Ifbe780e44001157e9453f08cb8301b8717558481
Fix up 'clear recents' UX.

Use the 'dismiss all' button drawable and place the button in the upper
right corner. Doing so fixes the broken animation when going into
recents.

Change-Id: I497a8b023f1872c5f9ae5df87af6ed2159e6b7b1
SettingsProvider: Handle migration from cm-11.0

Change-Id: Ifa52b4518c17e7653206135fcb435d9dc5ab0e8f
Merge remote-tracking branch 'cm/cm-12.0' into 5.0