transcoding: hooking up real transcoder in service

bug: 154734285
test: unit testing.

Change-Id: Id7de72f86cac75f634276395d4b4be359f44dbc2
diff --git a/services/mediatranscoding/Android.bp b/services/mediatranscoding/Android.bp
index 498ce09..b7decbc 100644
--- a/services/mediatranscoding/Android.bp
+++ b/services/mediatranscoding/Android.bp
@@ -10,6 +10,7 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
+        "libcutils",
         "liblog",
         "libmediatranscoding",
         "libutils",