HALO: Add custom color [2/2]
[2/2] Add support for Peek app

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

Change-Id: Icabb32c8322642eca81bccea7e053200a74a9b2b
Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>