AOKP custom system animations (2/2)

ported fom here: http://gerrit.aokp.co/#/c/12305/

Thanks to Steve Spear

Change-Id: Ibd978f0516521579e5339f21ac81a360740358e8

Conflicts:

	res/xml/screen_and_animations.xml
	src/com/android/settings/SettingsPreferenceFragment.java

Conflicts:

	res/values/cr_strings.xml