diff --git a/Android.mk b/Android.mk
index 29e7cff..e3f9ba8 100644
--- a/Android.mk
+++ b/Android.mk
@@ -14,4 +14,6 @@
 # limitations under the License.
 #
 
+include cts/CtsTestCoverage.mk
+
 include $(call all-subdir-makefiles)