Run libclat_test in presubmit

This has been green for a while.

On postsubmit:
https://android-build.googleplex.com/builds/tests/view?testResultId=TR59428013832586062&invocationId=I95700010046253101

Test: treehugger
Change-Id: I343fa24603df493c785e462a6449eb1129f08c11
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 85072a7..bb6d655 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -41,6 +41,9 @@
       "name": "connectivity_native_test"
     },
     {
+      "name": "libclat_test"
+    },
+    {
       "name": "netd_updatable_unit_test"
     },
     {
@@ -68,9 +71,6 @@
       "keywords": ["netd-device-kernel-4.9", "netd-device-kernel-4.14"]
     },
     {
-      "name": "libclat_test"
-    },
-    {
       "name": "traffic_controller_unit_test",
       "keywords": ["netd-device-kernel-4.9", "netd-device-kernel-4.14"]
     },