Label /data/bootanim with bootanim_data_file.

Bug: 16529906
Test: /data/bootanim is labeled correctly. BootAnimation can access this
folder.

Change-Id: Ic6a438d7a139b4864c4795dcac613cb819a81631
diff --git a/private/bootanim.te b/private/bootanim.te
index 855bc3d..f4fb0bc 100644
--- a/private/bootanim.te
+++ b/private/bootanim.te
@@ -15,3 +15,6 @@
 
 # Allow updating boot animation status.
 set_prop(bootanim, bootanim_system_prop)
+
+# Allow accessing /data/bootanim
+r_dir_file(bootanim, bootanim_data_file)