Revert "QS tiles custom background (1/2)"

This reverts commit e48f3d6b0d29b211cfe506b66413e89d34b7bca0.

Conflicts:
	packages/SystemUI/res/values/cr_colors.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

Change-Id: I646dfdd25801ef73452ed8eba332e6950aa6dbb8

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
NotificationHelper: We shouldn't use logical here, one case is enough no matter the order

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
NotificationHelper: Create broadcast receiver for Peek app

Store showing state.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
NotificationHelper: Define Peek app broadcast intents

Continue this https://gerrit.paranoidandroid.co/#/c/4369/

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>