am b6eaaa2a: Clean up cacheColorHint to be better controlled by the theme.

Merge commit 'b6eaaa2ab2a43193b6fec3790a7e413b8e28733a' into eclair-plus-aosp

* commit 'b6eaaa2ab2a43193b6fec3790a7e413b8e28733a':
  Clean up cacheColorHint to be better controlled by the theme.