Revert "Forward port Volume panel style and Linked volumes"

This reverts commit 0f3b2c8e40139dfb817d82e955c3633dedba14c6.

Something happened here and broke notification audio
Will investigate and bring back when ready

Conflicts:
	core/java/android/provider/Settings.java
Forward port Volume panel style and Linked volumes

Original author ptunstal

Change-Id: I4359550fabd110ced6359d2bdcd321561b08fae0

Conflicts:
	core/java/android/provider/Settings.java
QuickSettings - fix FileObserverTile logic

Initialize values earlier in startup process
No need to call super.onPostCreate();
SystemUI - update BatteryMeterView on theme change

When changing themes, the statusbar battery meter would set to
default. Fix it.
Smoother Upload and Download Animation

Test Plan: Needs verification

Reviewers: jriordan001, anders3408, randall.rushing, raymanfx

Reviewed By: raymanfx

Differential Revision: http://review.codefirex.com/D508
fix build