Big refactor, additions to state transition animations

Bug: 7362944
Refactored a lot of the state transitions code, adding
support for definable transition animations and defining
distinct outgoing and incoming animations.
Change-Id: I31a69057ea1b72dd3185cec656e59b11fdb528c1
6 files changed
tree: 6c8700c0959eeb4fefe4a829c3fbb08c27b98d22
  1. gallerycommon/
  2. src/
  3. src_pd/
  4. tests/