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
SystemUI: Update no SIM status bar icon

* Correctly sized this time

Change-Id: Ifbe780e44001157e9453f08cb8301b8717558481
Revert "Add back increasing ring feature (1/3)"

This reverts commit dadb53a1d581aa302e9df26c31f8199c8c5b5eff.