transcoding: hooking up real transcoder in service

bug: 154734285
test: unit testing.

Change-Id: Id7de72f86cac75f634276395d4b4be359f44dbc2
diff --git a/services/mediatranscoding/tests/README.txt b/services/mediatranscoding/tests/README.txt
new file mode 100644
index 0000000..5ee0296
--- /dev/null
+++ b/services/mediatranscoding/tests/README.txt
@@ -0,0 +1,8 @@
+mediatranscodingservice_simulated_tests:
+	Tests media transcoding service with simulated transcoder.
+
+mediatranscodingservice_real_tests:
+	Tests media transcoding service with real transcoder. Uses the same test assets
+	as the MediaTranscoder unit tests. Before running the test, please make sure
+	to push the test assets to /sdcard:
+	adb push $TOP/frameworks/av/media/libmediatranscoding/transcoder/tests/assets /data/local/tmp/TranscoderTestAssets
\ No newline at end of file