[1/3] fb: Change density on the fly

Change-Id: I7ee16d32ee882fea22367f49f69f4da744f3aa45
Merge commit 'refs/changes/64/164/1' of https://gerrit.slimroms.net/SlimRoms/frameworks_base into vaosp

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java