Add a TEST_MAPPING (9/n)

Bug: 178675924
Test: atest PackageWatchdogTest
Change-Id: I17d87bae38239d00ba674e24ef44ec03d7b11f42
diff --git a/tests/PackageWatchdog/TEST_MAPPING b/tests/PackageWatchdog/TEST_MAPPING
new file mode 100644
index 0000000..6494a27
--- /dev/null
+++ b/tests/PackageWatchdog/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "PackageWatchdogTest"
+    }
+  ]
+}