DO NOT MERGE - fix truncated boot sound.

Allow bootanim process to access audioserver service.

Bug: 31651778
Change-Id: I5bec8812877792b1df3b37dddc5ccea3b243f5c4

bootanim.te

@@ -6,6 +6,7 @@ init_daemon_domain(bootanim)
 
 binder_use(bootanim)
 binder_call(bootanim, surfaceflinger)
+binder_call(bootanim, audioserver)
 
 allow bootanim gpu_device:chr_file rw_file_perms;
 
@@ -17,6 +18,7 @@ allow bootanim audio_device:dir r_dir_perms;
 allow bootanim audio_device:chr_file rw_file_perms;
 
 allow bootanim surfaceflinger_service:service_manager find;
+allow bootanim audioserver_service:service_manager find;
 
 # Allow access to ion memory allocation device
 allow bootanim ion_device:chr_file rw_file_perms;