Revert "Fix Transparency Value not sticked with autohide"

This reverts commit 4496aac04ac12db91de39471da4e284cfeacc5a4.
Revert "SystemUI: transparency control overhaul"

This reverts commit 1283dbf77f9f048297a8b9a0c0922185a3421bce.

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

Change-Id: I2d6f621be0308f3dcef3b412a671b5ddd563e19a
Revert "Revert "Seperate Statusbar Transparency Settings (1/2)""

This reverts commit b924edfc086a8e84d7c6734e1ec73a81ef0b732b.
Revert "Revert "Navigation Bar Transparency Mode (1/2)""

This reverts commit 38886ef0b46e7402006edeeb281cf2bf6c000544.