tree af7ae891975fd8c450e74daf0ac92dfc658bc81b
parent 134b62ed14b830b467423082036b3222f84f291c
author Jeff Brown <jeffbrown@google.com> 1412276810 -0700
committer Jeff Brown <jeffbrown@google.com> 1412277008 -0700

Fix race in RecognizerService teardown.

Use a WeakReference to refer to the outer class to prevent leaks.
Ensure atomicity of access to the reference.

Bug: 17584947
Change-Id: I7ad7c7793b60fa125e04fc4d803ed905e8a00a95