selinux rules for codec process

Bug: 22775369

Change-Id: Ic6abe3d0e18ba6f7554d027e0ec05fd19011709b
diff --git a/file_contexts b/file_contexts
index 1195ebd..94702b4 100644
--- a/file_contexts
+++ b/file_contexts
@@ -168,6 +168,7 @@
 /system/bin/mediaserver	u:object_r:mediaserver_exec:s0
 /system/bin/cameraserver	u:object_r:cameraserver_exec:s0
 /system/bin/mediaextractor	u:object_r:mediaextractor_exec:s0
+/system/bin/mediacodec	u:object_r:mediacodec_exec:s0
 /system/bin/mdnsd	u:object_r:mdnsd_exec:s0
 /system/bin/installd	u:object_r:installd_exec:s0
 /system/bin/otapreopt   u:object_r:otapreopt_exec:s0