tree 318e4d36fe26156e380232bbcaa28287acaa4443
parent 77dad606344a8951552585a3169fccd2ec3ccfd1
author Jorim Jaggi <jjaggi@google.com> 1516637039 +0100
committer Jorim Jaggi <jjaggi@google.com> 1516651721 +0000

Check for surface validity to avoid native crash

If the surface gets destroyed, return -1 to indicate such that
the client can abort the animation, instead of crashing.

Test: With Launcher in multi-window
Change-Id: I4ab11557c40ed843a4c2e985a53cc2247b18b5fd