Show reboot message in QS and PW

This forces collapsing notification drawer or quicksettings to see
system reboot dialog.

Change-Id: I74695d78501a3d826a3e4a73bfd9e64e042c9a47

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/powerwidget/PowerButton.java
	packages/SystemUI/src/com/android/systemui/statusbar/powerwidget/PowerWidget.java
	packages/SystemUI/src/com/android/systemui/statusbar/powerwidget/RebootButton.java
Quicksettings: add Expanded Destop and Volume Tiles