Add keystore2_client_tests to VTS

Bug: 194359114
Test: keystore2_client_tests
Change-Id: I74f29e8c42fd6fdca07a7999dfc2e5345ad45c09
diff --git a/keystore2/tests/Android.bp b/keystore2/tests/Android.bp
index a574fa1..d33bf9f 100644
--- a/keystore2/tests/Android.bp
+++ b/keystore2/tests/Android.bp
@@ -30,6 +30,7 @@
     srcs: ["keystore2_client_tests.rs"],
     test_suites: [
         "general-tests",
+        "vts",
     ],
     test_config: "AndroidTest.xml",