tree 328df4d3228fe5767c943bd2c14374d2ee359d67
parent 5f89a37244ac218d459b14fccc4a23391cb293f0
author Jay Shrauner <shrauner@google.com> 1408035577 -0700
committer The Android Automerger <android-build@google.com> 1408066152 -0700

Prevent ConcurrentModificationExceptions

Switch from HashSets to Sets backed by ConcurrentHashMaps, and from
ArrayLists to CopyOnWriteArrayLists, to prevent exceptions when listeners
remove themselves in their callback while iterating through the set or list.

Bug:17030803
Change-Id: I99511e56d77526796679e2840437d0ea47062830