Make bootanim domain enforcing.

Change-Id: I9d87c35cc8d4ffffab4f7c28f3d3d43f85b10123
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

bootanim.te

 # bootanimation oneshot service
 type bootanim, domain;
-permissive bootanim;
 type bootanim_exec, exec_type, file_type;
 
 init_daemon_domain(bootanim)