TEST_MAPPING files for media metrics

Bug: 144649738
Test: atest in affected directories
Change-Id: I985ea253d3a99cdb09904e1474ffd4e0ee85b6d4
diff --git a/services/mediaanalytics/TEST_MAPPING b/services/mediaanalytics/TEST_MAPPING
new file mode 100644
index 0000000..01e9e46
--- /dev/null
+++ b/services/mediaanalytics/TEST_MAPPING
@@ -0,0 +1,10 @@
+{
+  "presubmit": [
+    {
+       "name": "mediametrics_tests"
+    },
+    {
+       "name": "CtsNativeMediaMetricsTestCases"
+    }
+  ]
+}