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/h263_packetizer.h b/jni/pjproject-android/pjmedia/include/pjmedia-codec/h263_packetizer.h
index 62644a0..1bf7009 100644
--- a/jni/pjproject-android/pjmedia/include/pjmedia-codec/h263_packetizer.h
+++ b/jni/pjproject-android/pjmedia/include/pjmedia-codec/h263_packetizer.h
@@ -1,4 +1,4 @@
-/* $Id: h263_packetizer.h 3715 2011-08-19 09:35:25Z nanang $ */
+/* $Id$ */
 /* 
  * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
  *