Roll tools/swarming_client/ to 37bcce2f5ea8852f339d08857a68d287e79984e3.

$ git log 79940aeee..37bcce2f5 --date=short --format='%ad %ae %s' | sed 's/@chromium\.org//'
2014-09-29 jam Make isolate_format.py handle integer variables.
2014-09-24 maruel Update HttpServeri.json_request() to accept all request() arguments.
2014-09-24 maruel Rename examples to have more specific names.

This is needed for https://codereview.chromium.org/605063004/.

R=maruel@chromium.org
BUG=414808

Review URL: https://codereview.chromium.org/595183004

Cr-Commit-Position: refs/heads/master@{#297232}

DEPS

@@ -47,7 +47,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.
-  'swarming_revision': '79940aeeec0ace78ade0fec27515850268761af5',
+  'swarming_revision': '37bcce2f5ea8852f339d08857a68d287e79984e3',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.