- Merge GetDescription and FetchDescription, and remove unused `force` argument.
- Merge UpdateDescription and UpdateDescriptionRemote.

Bug: 1042324
Change-Id: Ia7a1b0aa1ea12a95bb6a19d9d3c9dd6aeb5bd2b8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2039968
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Anthony Polito <apolito@google.com>