Revert "Quick Settings: Option to use floating window (1/2)"

This reverts commit d93d6cf76e5b2d6f80eb0613311a42d60c084c3a.
Revert "App sidebar: floating window"

This reverts commit bc864bbf9991e6d0e2b55368441aa3f733f69339.
Revert "[2/2] Frameworks: HALO"

This reverts commit 4ee4f99f1e5a5d50453d0e30c8421406af1563ab.

Conflicts:

	packages/SystemUI/res/layout/status_bar_expanded_header.xml
	packages/SystemUI/res/values/cm_strings.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	services/java/com/android/server/NotificationManagerService.java