tree 2b0cb53032a436d984b3788e04fc61415104380f
parent 986b5b03a378385bfea6c5cc6b6c1d7f0424e0a5
author Matthew Xie <mattx@google.com> 1331319238 -0800
committer Android (Google) Code Review <android-gerrit@google.com> 1342500538 -0700

Save volumes and notify stack only when they change

Change-Id: Ibcf6a55111ee3d6ecab6ecd75ab957258b35e49c