Add option to gn bootstrap to specify the build directory

R=dpranke@chromium.org

Change-Id: Ie2ccfd24ebff5efc58d972c2755383b79bc3d27b
Reviewed-on: https://chromium-review.googlesource.com/780818
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#518117}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8b6898fe4eaa9131b35f2e9d72af0fa1fcccccf0
1 file changed
tree: 99a3164d4a892e368d70308d186fae8d2c00ecf3
  1. tools/