Fix bug 2271468 Update the javadoc for MediaRecorder.AudioSource
to define how the two new audio sources behave when used on devices
that don't support them.
diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index 4203cba..15e35010 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -136,10 +136,12 @@
         /** Voice call uplink + downlink audio source */
         public static final int VOICE_CALL = 4;
 
-        /** Microphone audio source with same orientation as camera */
+        /** Microphone audio source with same orientation as camera if available, the main
+         *  device microphone otherwise */
         public static final int CAMCORDER = 5;
 
-        /** Microphone audio source tuned for voice recognition */
+        /** Microphone audio source tuned for voice recognition if available, behaves like
+         *  {@link #DEFAULT} otherwise. */
         public static final int VOICE_RECOGNITION = 6;
     }