Settings : Filter spam notifications

Change-Id: I4056aceada3cf8397827037bcb52388de9f8b9fc
HOVER: touch to hide (2/2)

- Allow users to configure touching outside to instant hide HOVER notifications

Change-Id: I04cce2e5f2fe8b66e725471baf027f7ca9838468
[SQUASH] Revert CyanogenMod Heads Up and custom features for the same

Conflicts:

	res/values/cr_strings.xml
	res/xml/heads_up_settings.xml
	res/xml/notification_drawer.xml
	src/com/android/settings/headsup/HeadsUpSettings.java