Junji Watanabe 8552a27900 autoninja: Generate UUID for AUTONINJA_BUILD_ID inside autoninja.py ...

Currently, {autoninja, autoninja.bat} scripts generate AUTONINJA_BUILD_ID by calling `python3 -c "import uuid; print(uuid.uuid4())"`.
This CL moves the logic at the beginning `autoninja.py`.

This also reduces the overhead of starting Python interpreter, which
takes around 60ms on my Windows workstaion.

```
> hyperfine python3
Benchmark 1: python3
  Time (mean ± σ):      63.4 ms ±   7.8 ms    [User: 25.7 ms, System: 33.7 ms]
  Range (min … max):    51.0 ms …  80.2 ms    41 runs
```

Change-Id: I93d5b65f3c5542c3a93a3de1f27a5aa5d06c09a6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5737673
Reviewed-by: Fumitoshi Ukai <ukai@google.com>
Commit-Queue: Fumitoshi Ukai <ukai@google.com>
Auto-Submit: Junji Watanabe <jwata@google.com>
Commit-Queue: Junji Watanabe <jwata@google.com>

2024-07-24 06:20:14 +00:00

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