More Heads Up fixes

PS2: more

Change-Id: I8da6ff46986fade8c43cd8966606ded031e4348e
Add Heads Up toggle

Drawables from CM

Change-Id: If5b09e5e2c3711bdef69045398115f368c7e738c
Merge changes If5b09e5e,I8da6ff46 into kitkat

* changes:
  Add Heads Up toggle
  More Heads Up fixes