MediaTranscodingService: Add sepolicy for MediaTranscodingService.

Bug:145233472
Test: Build and flash the phone.
"adb shell dumpsys -l | grep media" shows media.transcoding service.

Change-Id: I48a42e7b595754989c92a8469eb91360ab6db7c6
diff --git a/private/compat/29.0/29.0.ignore.cil b/private/compat/29.0/29.0.ignore.cil
index 88e6efd..383ff3c 100644
--- a/private/compat/29.0/29.0.ignore.cil
+++ b/private/compat/29.0/29.0.ignore.cil
@@ -26,6 +26,10 @@
     iorap_prefetcherd_data_file
     iorap_prefetcherd_exec
     iorap_prefetcherd_tmpfs
+    mediatranscoding_service
+    mediatranscoding
+    mediatranscoding_exec
+    mediatranscoding_tmpfs
     linker_prop
     mock_ota_prop
     ota_metadata_file
diff --git a/private/file_contexts b/private/file_contexts
index 2ec5b2f..69b6c58 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -239,6 +239,7 @@
 /system/bin/cameraserver	u:object_r:cameraserver_exec:s0
 /system/bin/mediaextractor	u:object_r:mediaextractor_exec:s0
 /system/bin/mediaswcodec	u:object_r:mediaswcodec_exec:s0
+/system/bin/mediatranscoding	u:object_r:mediatranscoding_exec:s0
 /system/bin/mdnsd	u:object_r:mdnsd_exec:s0
 /system/bin/installd	u:object_r:installd_exec:s0
 /system/bin/otapreopt_chroot   u:object_r:otapreopt_chroot_exec:s0
diff --git a/private/mediaserver.te b/private/mediaserver.te
index d74ab95..195c3a5 100644
--- a/private/mediaserver.te
+++ b/private/mediaserver.te
@@ -10,3 +10,4 @@
 hal_client_domain(mediaserver, hal_omx)
 hal_client_domain(mediaserver, hal_codec2)
 
+allow mediaserver mediatranscoding_service:service_manager find;
diff --git a/private/mediatranscoding.te b/private/mediatranscoding.te
new file mode 100644
index 0000000..e0ad84c
--- /dev/null
+++ b/private/mediatranscoding.te
@@ -0,0 +1,3 @@
+typeattribute mediatranscoding coredomain;
+
+init_daemon_domain(mediatranscoding)
diff --git a/private/service_contexts b/private/service_contexts
index fa52a05..1902a48 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -118,6 +118,7 @@
 media.player                              u:object_r:mediaserver_service:s0
 media.metrics                             u:object_r:mediametrics_service:s0
 media.extractor                           u:object_r:mediaextractor_service:s0
+media.transcoding                         u:object_r:mediatranscoding_service:s0
 media.resource_manager                    u:object_r:mediaserver_service:s0
 media.sound_trigger_hw                    u:object_r:audioserver_service:s0
 media.drm                                 u:object_r:mediadrmserver_service:s0