Gesture Anywhere: Add gesture anywhere feature into the ChaOS Lab [2/2]

Change-Id: I51ead6cc35684104ecc1211df0a598d1a0b816c1

Conflicts:
	res/values/cr_arrays.xml
	res/values/cr_strings.xml
	res/xml/system_ui_settings.xml
GestureAnywhere: make sure ga_gestures is world readable.

Change-Id: Ia5ea792f0beed029ecd2c7c4c671d2837a97b5e2

Conflicts:
	res/xml/system_ui_settings.xml