AOKP custom system animations (1/2)

Ported from here: http://gerrit.aokp.co/#/c/12304/

Thanks to Steve Spear

Change-Id: I38bc7b83edaff3c455f0dfe3ea5ede54a20ae07c
Signed-off-by: anerik <anerikgames@gmail.com>

Conflicts:
	core/res/res/values/slim_symbols.xml