PhoneWindowManager: fix a nullpointer in KeyEvent.KEYCODE_POWER
Frameworks: Smart PullDown to SlimActions (1/2)

PS2: Dependant on bug fixes

Change-Id: I8023933cb064429aef84e4a027645108e18d2940

Conflicts:
	core/java/com/android/internal/util/mahdi/DeviceUtils.java
	core/java/com/android/internal/util/mahdi/MahdiActions.java
	packages/SystemUI/res/values/slim_strings.xml
SystemUI: Actions to Shortcuts (1/2)

Change-Id: Ic7cc70b5a55e98b1fd6784380049f54d0bd3f4d2
Frameworks: Recents to SlimActions Shortcuts (1/2)

Change-Id: I8a0d7598ba7a7b2b5740d498d9ad08ec2938a385

Conflicts:
	core/java/com/android/internal/util/mahdi/MahdiActions.java
Core & SystemUI: Add Vietnamese translation thanks to xda user tung91