FM: New mechanism to handle FM recording

- FM Radio is running with system process.
- System process does not have permission to access SDCard.
- Handle the FM recording in another application.

Change-Id: Ie321143b4a2601f2c669292154510eef8cbf7940
CRs-Fixed: 515621
diff --git a/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl b/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl
index 7358149..8e2fe99 100644
--- a/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl
+++ b/fmapp2/src/com/caf/fmradio/IFMRadioService.aidl
@@ -18,7 +18,7 @@
     boolean routeAudio(int device);
     boolean unMute();
     boolean isMuted();
-    boolean startRecording();
+    void startRecording();
     void stopRecording();
     boolean tune(int frequency);
     boolean seek(boolean up);