tree cf679dfcc62e1f7d1281802f4fd615feaad50a4a
parent 519e0591fe59bb03571e900ee53327d132e3e4b8
author Jorim Jaggi <jjaggi@google.com> 1455324918 -0800
committer Jorim Jaggi <jjaggi@google.com> 1455689868 +0000

Fix recents transitions

- Also animate when there is no thumbnail, which can frequently
happen after exiting multi-window.
- Also animate when the target stack id is INVALID, because we
currently don't persist stack id's in the tasks.

Change-Id: I280c85e62f55d712408a3e77c43f665acb19bc4c