Clock: Add support for test clock app.

Change-Id: I1ff778418bd6f873caca9aa937e1d0a13ce050d6
diff --git a/app/clocktests/rules.mk b/app/clocktests/rules.mk
new file mode 100644
index 0000000..761dd4d
--- /dev/null
+++ b/app/clocktests/rules.mk
@@ -0,0 +1,6 @@
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+INCLUDES += -I$(LK_TOP_DIR)/platform/msm_shared/include
+
+OBJS += \
+	$(LOCAL_DIR)/clock_tests.o