There should be no functional changes for depot_tools. However, this
version contains a fix for building Python wheels, and we're trying to
standardize on this version everywhere.

Change-Id: Ibb8259028f0c7aa39f03a75ffdedbbb5349b4fc4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2927689
Auto-Submit: Brian Ryner <bryner@google.com>
Commit-Queue: Dirk Pranke <dpranke@google.com>
Reviewed-by: Dirk Pranke <dpranke@google.com>