tree c2bd48025466978e4d8b7c9bef4bc5daa43c7c2e
parent 6a6bd17f68c02139630796a615bd38b929c02e7a
author Mathieu Chartier <mathieuc@google.com> 1439412786 -0700
committer Mathieu Chartier <mathieuc@google.com> 1439416876 -0700

Don't allow GC to start if the runtime is shutting down

Daemon threads may be trying to do allocations as the runtime is
shutting down, don't allow GC to start since it touches the heap
and may cause crashes if it is running while we delete the heap
or thread list.

Bug: 18577101
Change-Id: I1404b41f2aee13d3c26acffdf588c985628beefc