run-swarmed: temporarily switch the default pool to chromium.tests.template.

Follow-up to crrev.com/c/2111652.

Bug: 812428
Change-Id: I6ddb60cc1c096276186d39b27f66cdbc6e69fa61
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2122238Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Commit-Queue: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753676}

tools/run-swarmed.py

@@ -184,8 +184,12 @@ def main():
                       help='Number of copies to spawn.')
   parser.add_argument('--device-os', default='M',
                       help='Run tests on the given version of Android.')
-  parser.add_argument('--pool', default='chromium.tests',
-                      help='Use the given swarming pool.')
+  # TODO(crbug.com/812428): Switch this back to chromium.tests once
+  # that pool runs with task templates.
+  parser.add_argument(
+      '--pool',
+      default='chromium.tests.template',
+      help='Use the given swarming pool.')
   parser.add_argument('--results', '-r', default='results',
                       help='Directory in which to store results.')
   parser.add_argument('--gtest_filter',