Lock Screen - Add Lockscreen Wallpaper (1/2)

Change-Id: Ic636f362b1eda3227c34bc6fcf688372b948d40f
[WIP] Hide Battery Icon (1/2)
Merge branch 'cm-11.0' of github.com:temasek/android_frameworks_base into cm-11.0
Revert "Show confirmation for deleted screenshot. (QuickTrash)"

This reverts commit 7ec0a68e37ca214869ab8fca7dbdb4b886dea8ec.
Revert "HALO: make windows moveable and scaleable [WIP]"

This reverts commit d89fbd4ad30eafe368aa4b629e77e96f909b8c75.