[1/2] Base: Volume panel timeout

Settings: https://gerrit.omnirom.org/#/c/5517/

Change-Id: I15c4c589bde5794d7c961a02022a8e25a4e59500
Merge "[1/2] Base: Volume panel timeout" into android-4.4
Merge remote-tracking branch 'cm/android-4.4' into android-4.4