Refactor filters to simplify their creation/addition

Bug:7688780
Change-Id: I9e1bb860dc9150bed4a255118654f2ca7f1ec3f0
14 files changed
tree: 2b171f1016b87c6fbc4236be974fc7f8e46dcf07
  1. actionbarsherlock/
  2. gallerycommon/
  3. src/
  4. src_pd/
  5. tests/