1bddf3416d
This PR adopts some RBE configuration from the way that chromium uses RBE https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/refs/heads/main/reclient_helper.py These changes should bias both local and CI builds more towards using the worker pool, which we recently expanded, and should help limit the bandwidth used, which is a bottleneck for build times on a slow connection.