Minor UI changes

Change-Id: Ibc666b3be5dcd14159cabbcb373b429ea9fc2349
Remove Dirty Tweaks icon from app drawer

- Color dialog icon red to avoid issues seeing it
- Merge pending http://gerrit.dirtyunicorns.com/#/c/8437/1

Change-Id: I3d3fa3f8eb6cfd318dbc213469da3e8087515cb1
Merge changes I3d3fa3f8,Ibc666b3b into lollipop

* changes:
  Remove Dirty Tweaks icon from app drawer
  Minor UI changes