Add /tools/skia_goldctl/ to .gitignore

This is follow up for
https://chromium-review.googlesource.com/c/chromium/src/+/1401234

Bug: 850107
Change-Id: I159a9810cc1fca1ff1ec9696b2e434f67d2ba538
Reviewed-on: https://chromium-review.googlesource.com/c/1404897
Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621756}
1 file changed