Add TEST_MAPPING for ApkVerityTest

Test: atest -p frameworks/base/tests/ApkVerityTest:presubmit
Bug: 112039386
Change-Id: Ic814bc5e5c51e581684968f8f20632a4fbffc8f4
diff --git a/tests/ApkVerityTest/TEST_MAPPING b/tests/ApkVerityTest/TEST_MAPPING
new file mode 100644
index 0000000..a660839
--- /dev/null
+++ b/tests/ApkVerityTest/TEST_MAPPING
@@ -0,0 +1,15 @@
+{
+  "presubmit": [
+    // nextgen test only runs during postsubmit.
+    {
+      "name": "ApkVerityTest",
+      "keywords": ["nextgen"]
+    }
+  ],
+  "postsubmit": [
+    // TODO: move to presubmit once it's confirmed stable.
+    {
+      "name": "ApkVerityTest"
+    }
+  ]
+}