Add AndroidCarApiTest to presubmit.

Add AndroidCarApiTest to presubmit because it is using VHAL.

Test: None
Bug: None
Change-Id: I4be1e2bb10a8a1f59cbc36b029083a7781fde5fa
diff --git a/automotive/vehicle/TEST_MAPPING b/automotive/vehicle/TEST_MAPPING
index ff6f3be..92cab96 100644
--- a/automotive/vehicle/TEST_MAPPING
+++ b/automotive/vehicle/TEST_MAPPING
@@ -24,5 +24,10 @@
     {
       "name": "DefaultVehicleHalTest"
     }
+  ],
+  "auto-postsubmit": [
+    {
+      "name": "AndroidCarApiTest"
+    }
   ]
 }