tree 1420900f6bc97c1836a045442e5067bef956b43f
parent c6a2da07bf6334818c184fed486cecf39976f089
author Chong Zhang <chz@google.com> 1447368988 -0800
committer Chong Zhang <chz@google.com> 1447371850 -0800

Fix lost window warning

Mark activity window as invisible with window manager when it's
destroyed normally, to differentiate with the case where the app
crashed while visible.

bug: 25671369

Change-Id: I26d8df6b7e08fc5b65cd2c7aa432a3c5c8c5c7b3