Add clatd_test to presubmit.

Following the instructions at:
https://source.android.com/compatibility/tests/development/test-mapping

Test: cd external/android-clat; atest
Change-Id: Ifca302f53b38d47200d6a1651280391297f14edc
diff --git a/Android.bp b/Android.bp
index 7f28a3c..82295f3 100644
--- a/Android.bp
+++ b/Android.bp
@@ -81,6 +81,7 @@
         "liblog",
         "libnetutils",
     ],
+    test_suites: ["device-tests"],
 }
 
 // Microbenchmark.