Add optional --yes argument to tools/install_dependencies.sh.

This helps build automation.

Bug: skia:11124
Change-Id: I529f525845fb151861afc19651cdedcc0baa075d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/348196
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Joe Gregorio <jcgregorio@google.com>
1 file changed