Connect to intermittent trackers via https
This is the last part of #22088.
Each https url returns the same with curl as its previous http variant, so it should be a safe change.
And https has already been used at this place in the past: 38474f8671
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Clean some temporary files from Windows packaging process
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
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Optional backtraces for JS errors and WebGL errors
This adds two new build-time features to enable useful debugging tools when investigating why JS and WebGL content isn't working. They're optional because they're quite heavyweight.
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because they're optional developer features.
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Enable WebAudio on Android
- [X] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [X] These changes fix#21619
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Enable use of RUST_LOG with mach run --android.
This allows running `RUST_LOG=layout_thread ./mach run --android` and seeing the appropriate logging output appear in `./adb logcat`.
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#21764
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