* #39101: updated pjsip stack, many android build enhancements.

The main issue here is due to the build system of the stack compared to a pure Android
NDK project. Generating arm and x86 ABI at the same time does not seem to be possible.
diff --git a/jni/pjproject-android/pjmedia/include/pjmedia-videodev/videodev.h b/jni/pjproject-android/pjmedia/include/pjmedia-videodev/videodev.h
index 9ba4982..9bb42e6 100644
--- a/jni/pjproject-android/pjmedia/include/pjmedia-videodev/videodev.h
+++ b/jni/pjproject-android/pjmedia/include/pjmedia-videodev/videodev.h
@@ -1,4 +1,4 @@
-/* $Id: videodev.h 4167 2012-06-15 08:13:43Z ming $ */
+/* $Id: videodev.h 4704 2014-01-16 05:30:46Z ming $ */
 /*
  * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
  *
@@ -131,7 +131,7 @@
 /**
  * Device index constants.
  */
-enum
+enum pjmedia_vid_dev_std_index
 {
     /**
      * Constant to denote default capture device