Back_Merge_N_MR1_To_Dev

Merge N MR1 from release branch into development branch.

Conflicts:
	packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
	packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java

Change-Id: Ibca60febc91633023713fe99d9370a94813e1fcb