Start running CtsGraphicsTestCases for changes to graphics code.

Start using test mapping for graphics CTS tests and graphics code.

Test: None
Change-Id: I6a3addef7f21683f621f530766323743cafec825
diff --git a/graphics/TEST_MAPPING b/graphics/TEST_MAPPING
new file mode 100644
index 0000000..10bd0ee
--- /dev/null
+++ b/graphics/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsGraphicsTestCases"
+    }
+  ]
+}