FMRecord: Add REAL_GET_TASKS permissions.

Without this permission, recording app does not know whether FM app
is still running and always ends up stopping the recording.

CRs-Fixed: 956285
Change-Id: I60debca73cf883032cde0abe23f6eeea6e97f323

FMRecord/AndroidManifest.xml

@@ -34,6 +34,7 @@
       <uses-permission android:name="android.permission.CAPTURE_AUDIO_OUTPUT" />
       <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL"/>
       <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
+      <uses-permission android:name="android.permission.REAL_GET_TASKS" />
 
 <application>