transcoding: use actual callback in SimulatedTranscoder

bug: 154734285
test: unit testing

Change-Id: I39f17e95e9cc9ea73a60828b00a3c79ccf11dbf2
diff --git a/services/mediatranscoding/Android.bp b/services/mediatranscoding/Android.bp
index 79e9fbc..498ce09 100644
--- a/services/mediatranscoding/Android.bp
+++ b/services/mediatranscoding/Android.bp
@@ -14,7 +14,7 @@
         "libmediatranscoding",
         "libutils",
     ],
-    
+
     export_shared_lib_headers: [
         "libmediatranscoding",
     ],