Update fetch_build to use the catapult version of cloud_storage.
Update fetch_build to use the catapult version of cloud_storage.

This is part of the migration work needed before we can remove the version
in telemetry.

BUG=565604

Review URL: https://codereview.chromium.org/1566243002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#368152}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk