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/TransparencyManager.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java

Change-Id: I6be9b65427825d58f2e8859cb50d6fba65ac11bb
Add back Slim Version Transparency (1/2)

Change-Id: I5dbeeff49af3a0604ae30a6fa7912f70acba4a37