updated pjsip stack
There is still a bug on incoming calls when buiding for android
diff --git a/jni/pjproject-android/pjmedia/include/pjmedia-codec/h264_packetizer.h b/jni/pjproject-android/pjmedia/include/pjmedia-codec/h264_packetizer.h
index 4e26180..a676a04 100644
--- a/jni/pjproject-android/pjmedia/include/pjmedia-codec/h264_packetizer.h
+++ b/jni/pjproject-android/pjmedia/include/pjmedia-codec/h264_packetizer.h
@@ -1,4 +1,4 @@
-/* $Id: h264_packetizer.h 3664 2011-07-19 03:42:28Z nanang $ */
+/* $Id$ */
 /* 
  * Copyright (C) 2011 Teluu Inc. (http://www.teluu.com)
  *