add sensorservice package to the list

Change-Id: I1ab54a7461095f37ea8bdeb480caffafe96a9522
diff --git a/target/product/core.mk b/target/product/core.mk
index e9c8cbc..55a3889 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -88,7 +88,8 @@
     DefaultContainerService \
     Bugreport \
     ip \
-    screencap
+    screencap \
+    sensorservice
 
 # host-only dependencies
 ifeq ($(WITH_HOST_DALVIK),true)