am a27d19bb: am 1abd4cc7: am be5e6429: Switch BackgroundOnlyTheme from Holo to Material

* commit 'a27d19bbd67e24b3d4438631784cc74c02987c67':
  Switch BackgroundOnlyTheme from Holo to Material
tree: 87141aef1773912e1b161a571b763b7eb55883f8
  1. res-common/
  2. src/
  3. tests/