GitLab

Even if a proguard_jar_path is set, someone must manually set use_r8 = false
in their GN args to use it.

Bug: 908988
Change-Id: I509db915cba46ad694b687eda8a3b0123234847c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1689877Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Sam Maier <smaier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#676164}