tree 79d58f29e25b0a0eacb5764a6ddefd239c04b9ea
parent c5756e42a4805cb60dc4aa7ec0a0cc7ac80c935a
author Jason Monk <jmonk@google.com> 1412278778 -0400
committer Jason Monk <jmonk@google.com> 1412278778 -0400

Synchronize on all sendProxyBroadcast calls

To avoid race conditions.  Also make mDefaultProxy volatile for
safety.

Bug: 17697364
Change-Id: I8f0abb1a6e1c816f3addc11a69ff794ad767f2cf