Settings: Remove SlimROM's Heads Up

Revert "Settings: add headsup manifest permission"

This reverts commit 7d182de958eb1363c05a1fc76afe8925a20db166.

Revert "Settings: : Slim heads up customizations for LP (2/2)"

This reverts commit acf85438a91752bb6f3325b4ab9810f8d69c1d53.
Settings: forward port HeadsUp options (2/2)

-Global on/off
-Blacklist and Do not disturb

Altaf-Mahdi: Materialized to match Blacklist and profiles

Conflicts:
	AndroidManifest.xml
	res/values/custom_strings.xml
	res/xml/notification_settings.xml
	src/com/android/settings/notification/NotificationSettings.java
HeadsUp: add timeout option (2/2)

Conflicts:
	res/values/custom_arrays.xml
	res/values/custom_strings.xml
[2/2] Settings: Doze (ambient display) timeout

Patchset: put the preference in more sensible location.

Patchset: remove preference for devices that don't support
        doze display state.

Patchset: turn off doze timeout slider if doze is disabled

Patchset: move doze options to own preference category

Change-Id: I366a3a00bb48c20fa2d37f0b22fdbfeb3d004533

Conflicts:
	res/values/slim_strings.xml
	res/xml/display_settings.xml