move services executables sources in their respective src folder

Change-Id: Ic65434a26c7fed1699abf0851fec6faa40e09c0c
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index bb0a2f9..8dbb9c5 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -65,6 +65,22 @@
 include $(BUILD_SHARED_LIBRARY)
 
 ###############################################################
+# build surfaceflinger's executable
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	main_surfaceflinger.cpp 
+
+LOCAL_SHARED_LIBRARIES := \
+	libsurfaceflinger \
+	libbinder \
+	libutils
+
+LOCAL_MODULE:= surfaceflinger
+
+include $(BUILD_EXECUTABLE)
+
+###############################################################
 # uses jni which may not be available in PDK
 ifneq ($(wildcard libnativehelper/include),)
 include $(CLEAR_VARS)