Add renderscript into Android.mk for android.renderscript in CTS

bug: 17386124
Change-Id: I60531d441f708a0400d46df78f34f7ffa2f98fb2
diff --git a/tests/tests/renderscript/Android.mk b/tests/tests/renderscript/Android.mk
index 77dc210..f3f5123 100644
--- a/tests/tests/renderscript/Android.mk
+++ b/tests/tests/renderscript/Android.mk
@@ -28,7 +28,7 @@
 LOCAL_STATIC_JAVA_LIBRARIES := ctstestrunner
 LOCAL_JNI_SHARED_LIBRARIES := libcoremathtestcpp_jni
 
-LOCAL_SRC_FILES := $(call all-java-files-under, src)
+LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-renderscript-files-under, src)
 
 LOCAL_INSTRUMENTATION_FOR := CtsTestStubs