Move audio_firmware_file and /data/misc/audio entry to core sepolicy.

Change-Id:  Ib8c96ab9e19d34e8e34a4c859528345763be4906
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
diff --git a/file_contexts b/file_contexts
index 89a8cf7..d09d427 100644
--- a/file_contexts
+++ b/file_contexts
@@ -168,6 +168,7 @@
 /data/tombstones(/.*)?	u:object_r:tombstone_data_file:s0
 /data/local/tmp(/.*)?	u:object_r:shell_data_file:s0
 # Misc data
+/data/misc/audio(/.*)?          u:object_r:audio_firmware_file:s0
 /data/misc/bluetooth(/.*)?	u:object_r:bluetooth_data_file:s0
 /data/misc/bluedroid(/.*)?	u:object_r:bluetooth_data_file:s0
 /data/misc/keystore(/.*)?	u:object_r:keystore_data_file:s0