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