There are still some places that directly calls depot_tools/ninja{,.exe} without ensuring .cipd_bin dir.
This is a binary build on 3pp CIPD pipeline specified in cipd_manifest.txt.

Bug: 931218
Change-Id: I9f455bf47d648ce8e5bf74bd6c6d356867766314
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3708571
Auto-Submit: Junji Watanabe <jwata@google.com>
Reviewed-by: Josip Sokcevic <sokcevic@google.com>
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Josip Sokcevic <sokcevic@google.com>