This only lasts per process invocation, so we don't worry about cache
size (and it's a minor performance save).
Bug: b/350806563
Change-Id: Ie8e1aa2933c5582a3a2e2f75f04590f6bb432c4c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5833280
Commit-Queue: Allen Li <ayatane@chromium.org>
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>