updated pjsip stack
There is still a bug on incoming calls when buiding for android
diff --git a/jni/pjproject-android/pjsip-apps/src/samples/stereotest.c b/jni/pjproject-android/pjsip-apps/src/samples/stereotest.c
index 8931270..ab552f9 100644
--- a/jni/pjproject-android/pjsip-apps/src/samples/stereotest.c
+++ b/jni/pjproject-android/pjsip-apps/src/samples/stereotest.c
@@ -1,4 +1,4 @@
-/* $Id: stereotest.c 3664 2011-07-19 03:42:28Z nanang $ */
+/* $Id$ */
 /* 
  * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
  * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>