Add keystore2_client_tests to TEST_MAPPING

Bug: 194359114
Test: keystore2_client_tests
Change-Id: Ia5f774cd797d1b4b4e343a5588833739ad4843ee
diff --git a/keystore2/TEST_MAPPING b/keystore2/TEST_MAPPING
index 5d0a7dd..f8a1302 100644
--- a/keystore2/TEST_MAPPING
+++ b/keystore2/TEST_MAPPING
@@ -30,6 +30,9 @@
   "postsubmit": [
     {
       "name": "CtsKeystorePerformanceTestCases"
+    },
+    {
+      "name": "keystore2_client_tests"
     }
   ]
 }