Add a "native_support" service.

mojo/tools/data/apptests

 # This file contains a list of Mojo apptests. For description of the file
 # format, see `mojo_test` in devtools.
 
 tests = [
   {
     "test": "mojo:asset_bundle_apptests",
   },
   {
     "test": "mojo:authenticating_url_loader_interceptor_apptests",
   },
@@ skipping 107 matching lines @@
       "type": "gtest_isolated",
     },
     {
       "test": "mojo:reaper_apptests",
     },
     {
       "test": "mojo:dart_apptests",
       "type": "dart",
     },
     {
+      # These tests rely on various things in /bin.
+      "test": "mojo:native_support_apptests",
+    },
+    {
       # https://github.com/domokit/mojo/issues/61
       # Sometime the shell get a trucated application when exposed through the
       # http server.
       "test": "mojo:shell_apptests",
     },
   ]