rbe_ubuntu1804: Autogenerated toolchain configuration for linux RBE. Run generate_linux_rbe_configs.sh to regenerate.
rbe_windows_bazel_5.2.0_vs2019: The autogenerated toolchain configuration for windows RBE. Note that the bazel version denotes the bazel version that was used to generate the toolchain configuration. The configuration can be use with different bazel versions (as long as it works). See go/rbe-windows-user-guide
rbe_win2019: The windows dockerfile to rebuild the docker image we use on RBE workers. See go/rbe-windows-user-guide