…ts (#51108)

This issue can be reproduced by running the CompilerTest.MustFailDueToMultipleLocationPerStructMember test with ASAN

(The Impeller tests are not yet running with ASAN on CI)

https://skia.googlesource.com/skia.git/+log/4a65dfcc70a5..bf3f9c5f0edb

2024-03-07 [email protected] Use ProxyTexture::texture()::textureInfo() to determine depth
2024-03-07 [email protected] [sksl] support wgsl's frexp/modf intrinsics
2024-03-07 [email protected] Start enforcing IWYU on src/gpu
2024-03-07 [email protected] factor out SkCTFontCreateExactCopy into its own file(s)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC [email protected],[email protected],[email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

This moves Flutter out of the buildroot's third_party directory and into
//flutter/third_party and updates all BUILD and gni files.

Issue: flutter/flutter#144786
Part of: flutter/flutter#67373

## Pre-launch Checklist

- [X] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [X] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [X] I read and followed the [Flutter Style Guide] and the [C++,
Objective-C, Java style guides].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I added new tests to check the change I am making or feature I am
adding, or the PR is [test-exempt]. See [testing the engine] for
instructions on writing and running engine tests.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [X] The odds of this passing on its first CI run is 0%, because
there's no way the licence script isn't going to have a fit over it, at
which point I promise on my honour that I will dutifully fix all the
things it complains about and re-run, probably more than once.
- [X] This PR fulfils the minimum [Canadian
Content](https://www.youtube.com/watch?v=h9NMnPm5kXc&list=PLJ7QPuvv91JuoPWrLhqX0zDFUoLdynMEk&index=3)
regulations mandated by the CRTC.
- [X] I signed the [CLA].
- [X] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

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