Reduce telemetry based isolate size

Excluding some large size data in third_party/catapult/ that are not needed
in running the telemetry tests.

R=kbr@chromium.org,nednguyen@chromium.org

Change-Id: I10a1968b5a9b02415f5d7f66b33a247d64791578
Bug: 872521
Reviewed-on: https://chromium-review.googlesource.com/1166261
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Zhenyao Mo <zmo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582397}
2 files changed