pjsip: Update to pjsip 2.2.1 for android build

This commit unifies pjsip version (in daemon/libs)
To build for android: ./configure-android && make dep
diff --git a/jni/libpjsip/android_toolchain/pjlib/Android.mk b/jni/libpjsip/android_toolchain/pjlib/Android.mk
index 71cad0e..b016edf 100644
--- a/jni/libpjsip/android_toolchain/pjlib/Android.mk
+++ b/jni/libpjsip/android_toolchain/pjlib/Android.mk
@@ -3,11 +3,11 @@
 #########
 
 include $(CLEAR_VARS)
-LOCAL_MODULE    := pjlib
+LOCAL_MODULE := pjlib
 
 LOCAL_CFLAGS := $(MY_PJSIP_FLAGS)
 
-PJLIB_DIR := libpjsip/sources/pjlib
+PJLIB_DIR := sflphone/daemon/libs/pjproject-2.2.1/pjlib
 PJLIB_SRC_DIR := $(PJLIB_DIR)/src/pj
 
 LOCAL_C_INCLUDES += libopenssl/include \