Phone edit mode for QuickSettings

Enables edit mode for phones on QuickSettings

Change-Id: I058aa658b98fd54d60d8f16a92ca2e1d2aac986c

Conflicts:
	packages/SystemUI/res/layout/status_bar_expanded_header.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java