Purge sound vestiges

Change-Id: I790b2a950e401846b4626549dc4153dcaeb84907
SystemUI: transparency control overhaul

Allow more customization. TransparencyManager's responsibility
is to apply the values it is being fed from Settings.System set by
ROMControl.

Tablets do not use transparency currently, but it shouldn't throw
any errors.

Signed-off-by: Roman Birg <romanbirg@gmail.com>

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/NavigationBarView.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java

Change-Id: I9dd4cba1d415514340bcc62e83ebb8df088a9d4d
SystemUI: respect statusbar background for themes

one love

Credit: Roman Birg

Change-Id: Iaa71bdec2b258b13b581cacb618be2a90eba3020
Signed-off-by: Roman Birg <romanbirg@gmail.com>