Don't check file-by-file in presubmit if there are more than 50..
Don't check file-by-file in presubmit if there are more than 50..

..changed files. Otherwise changes have a max-size because on Windows
the command-line length is limiting. This allows large CLs such as
https://crrev.com/c/2720369/1 to land.

Bug: chromium:1166108
Change-Id: I87c871a77e46ee8b300aab0acf748755ea165f1a
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2727708
Commit-Queue: Sigurd Schneider <f04d242e109628a27a0f75fd49a87722bcf291fd@chromium.org>
Reviewed-by: Jack Franklin <993fcadce4d04090da2fefd557a0995e7966c8d5@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend