This reverts commit ad69aaef62.
Reason for revert: <INSERT REASONING HERE>
Original change's description:
> Reland: [infra] Roll buildtools to c72a1c5aadde06505b7bb4641720880f3db28ff9
>
> Tries to work around update.py race by setting up symlinks for 'git cl format'
> instead of copying.
>
> Change-Id: I4ed9b99254803feea5ea0e8d30db23fc982e9562
> Reviewed-on: https://dart-review.googlesource.com/c/85427
> Reviewed-by: Ryan Macnak <rmacnak@google.com>
> Commit-Queue: Zach Anderson <zra@google.com>
TBR=rmacnak@google.com,zra@google.com
Change-Id: Ida584adda37cd3e2dac16654eb1e81e92f123f88
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/85467
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
Zach Anderson
44a9d0a0d6