This script allows users to upload one file or one or more compressed
directories to GS. It will also output the DEPS blob with the required
sha256sum and size_bytes.
Verified script locally.
Bug: b/328065301
Change-Id: Ic8e894917eb4efde4f287ffb6869a22be1e89bb3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5381863
Reviewed-by: Joanna Wang <jojwang@chromium.org>
Commit-Queue: Stephanie Kim <kimstephanie@google.com>