tree cf3235ab597963fa1989bfc9af43eca66f8bd19c
parent 6449a9567ac204e0c9be71a7f983a753d8061220
author Fyodor Kupolov <fkupolov@google.com> 1448329310 -0800
committer Fyodor Kupolov <fkupolov@google.com> 1449103211 -0800

Added SynchronousUserSwitchObserver

This class provides a synchronous version of onUserSwitching, which does not
require notifying a callback.

Bug: 25816558
Change-Id: Id31bb79bf10b5afd72dfca28cf4bea817e726f6f