Framework: Remove orphaned Theme related code

Change-Id: I930d4cc75e655c5bc37532e6a1425d27bd1ee661
Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>
Signed-off-by: iceandfire <arhamjamal@gmail.com>

Conflicts:
	services/java/com/android/server/NotificationManagerService.java
 SystemUI: Reinflate on theme change

Reflect the updated assets immediately once the config_changed
notification happens

Change-Id: I480a719fbdd45875277871af39ce65849918ec0a
Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java