Added SIP Demo

Change-Id: I418bd272b42b82b9048934071322013f62ac0635
diff --git a/Android.mk b/Android.mk
index 941cf85..1c8051b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -416,6 +416,8 @@
 		            resources/samples/SampleSyncAdapter "Sample Sync Adapter" \
 		-samplecode $(sample_dir)/SearchableDictionary \
 		            resources/samples/SearchableDictionary "Searchable Dictionary v2" \
+		-samplecode $(sample_dir)/SipDemo \
+		            resources/samples/SipDemo "SIP Demo" \
 		-samplecode $(sample_dir)/Snake \
 		            resources/samples/Snake "Snake" \
 		-samplecode $(sample_dir)/SoftKeyboard \