bootanim: is a client of configstore HAL

Addresses:
avc:  denied  { find } for
interface=android.hardware.configstore::ISurfaceFlingerConfigs pid=603
scontext=u:r:bootanim:s0
tcontext=u:object_r:hal_configstore_ISurfaceFlingerConfigs:s0
tclass=hwservice_manager permissive=0

Bug: 64067152
Test: build
Change-Id: I0605ab8ba07a46a3dc6909307e6f0b2fde68a7ba