[atoms.proto] Added TEST_MAPPING file to force presubmit tests

- added presubmit tests for atoms.proto changes

Bug: 270167728
Test: VendorAtomCodeGenJavaTest
Change-Id: I0dccbf73031221ecdd72ba77b6f42f6cdc157a73
diff --git a/stats/TEST_MAPPING b/stats/TEST_MAPPING
new file mode 100644
index 0000000..468045c
--- /dev/null
+++ b/stats/TEST_MAPPING
@@ -0,0 +1,15 @@
+{
+  "presubmit": [
+    {
+      "name": "stats-log-api-gen-test"
+    },
+    {
+      "name": "VendorAtomCodeGenJavaTest",
+      "options": [
+        {
+          "exclude-annotation": "org.junit.Ignore"
+        }
+      ]
+    }
+  ]
+}