Revert "NavigationBar : Customization"

Change-Id: I10de4ecf64421a692bb7b84c59c504deec08433d
Signed-off-by: siracuervo <fl.siracusa@outlook.com.ar>

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarTransitions.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
fb: changed all open forgoten UI from google into new UI

thanks kroz

Change-Id: Ibc32ad8e73617dd74c8cd313dc2e071962eec966
Signed-off-by: siracuervo <fl.siracusa@outlook.com.ar>