"Windows_mokey flutter_gallery_win__compile" failing due to resource exhaustion, timeout; all bots are idle

### Type of Request

bug

### Infrastructure Environment

LUCI

### What is happening?

The tree is currently red due to `Windows_mokey flutter_gallery_win__compile` resource exhaustion, build timeout, after 392 minutes:
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows_mokey%20flutter_gallery_win__compile/3075/overview

There has been another commit since, but the `Windows_mokey flutter_gallery_win__compile` build for that commit has been queued for 278 minutes and still hasn't run.

Even though all four bots that could run this test are currently idle:

(grabbed from https://chromium-swarm.appspot.com/botlist?f=device_type%3Amokey&f=os%3AWindows-10&f=pool%3Aluci.flutter.prod)

### Steps to reproduce

_No response_

### Expected results

_No response_