Revert "Revert "Display: Dirty region propagation""

This reverts commit d58873cd6372768b1bb7a2000e742dccfac12328.
core: fix volume panel more button transparency

Change-Id: I9f728256efbaf138611822079ea7737cd345bb19
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Expanded Desktop : Fix Left handed navbar during landscape mode

from http://review.cyanogenmod.org/#/c/57454
when you enable expanded desktop and left handed navbar.
you need to swipe from right edge to show navbar.
but this patch will change to swipe from left edge to show navbar.
Video avalible at http://youtu.be/rUy14LQj9iE

Patchset2 : change tab to whitespace
Patchset3 : remove \r after @override in PhoneWindowManager.java
Patchset4 : Update commit message
Patchset5 : Address code formating comments
Patchset6 : Whitespace

Change-Id: I65a15c6f5e662e429a818484de6b71e81c7ae713
Merge remote-tracking branch 'github/cm-11.0' into cm-11.0