HALO: Add custom color [1/2]

Change-Id: I6b8a3e8b1057e466b947da63e5faf67560781837

Conflicts:
	core/java/android/provider/Settings.java
Recent: detect theme ui mode change
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>
[1/2] Add support for Peek app

Disable built in peek when Peek app is installed. Enable it again on app's unistall.

Change-Id: I292cfa6ba351ac65fd67d902b5e4df9be29981ac
Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>