Allow multiuser for all devices

Change-Id: I8b3d3dc56e4f3035a507c14550716b38f38be25a
PEEK: Sensors improvements

- Bring some fixes to the algorithm thanks to @D4rKn3sSyS
- Cleanup

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

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationHelper.java

Change-Id: I4b1bf637587823f6df35d05a2b86c93715c3e6ec
NotificationHelper: Define Peek app broadcast intents

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

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Merge branch 'android-4.4' of https://github.com/MerkMod/android_frameworks_base into android-4.4