API changes in MicrophoneDirection

Bug: 128523813
Test: Build, Testbed app

Change-Id: I7b5ee8ba4eec1090866d8aef891a98d50cd09cc5
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index ec5dfb1..8ac3366 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -615,9 +615,9 @@
         virtual binder::Status   stop();
         virtual binder::Status   getActiveMicrophones(
                 std::vector<media::MicrophoneInfo>* activeMicrophones);
-        virtual binder::Status   setMicrophoneDirection(
+        virtual binder::Status   setPreferredMicrophoneDirection(
                 int /*audio_microphone_direction_t*/ direction);
-        virtual binder::Status   setMicrophoneFieldDimension(float zoom);
+        virtual binder::Status   setPreferredMicrophoneFieldDimension(float zoom);
 
     private:
         const sp<RecordThread::RecordTrack> mRecordTrack;