updated pjsip stack
There is still a bug on incoming calls when buiding for android
diff --git a/jni/pjproject-android/pjsip-apps/src/python/samples/presence.py b/jni/pjproject-android/pjsip-apps/src/python/samples/presence.py
index afeaeab..a9ee8dd 100644
--- a/jni/pjproject-android/pjsip-apps/src/python/samples/presence.py
+++ b/jni/pjproject-android/pjsip-apps/src/python/samples/presence.py
@@ -1,4 +1,4 @@
-# $Id: presence.py 2171 2008-07-24 09:01:33Z bennylp $
+# $Id$
 #
 # Presence and instant messaging
 #