Update the exception description for start(). am: ac06177a13 am: 8b137cc06b

am: fd88989486

Change-Id: I9fef1f2ba9ca5db9b46ea67e2507a682b249c595

media/java/android/media/MediaRecorder.java

@@ -859,7 +859,7 @@ public class MediaRecorder
      * not start another recording session during recording.
      *
      * @throws IllegalStateException if it is called before
-     * prepare().
+     * prepare() or when the camera is already in use by another app.
      */
     public native void start() throws IllegalStateException;