gaaclarke e80ecd9194 [Impeller] Switched to static linked libc++ in vulkan validation layers. (flutter/engine#48290)
fixes https://github.com/flutter/flutter/issues/138535
test coverage: existing integration tests in flutter repo which look for validation layers

I also verified locally that the `libc++.so` is no longer present and that it runs correctly.

```
$ find lib/arm64-v8a/
lib/arm64-v8a/
lib/arm64-v8a//libflutter.so
lib/arm64-v8a//libVkLayer_khronos_validation.so
```

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
2023-11-21 22:06:05 +00:00
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