fixes https://github.com/flutter/flutter/issues/133794 This adds the following shared libraries to the flutter.jar for debug builds on arm64: ``` lib/arm64-v8a/libVkLayer_khronos_validation.so lib/arm64-v8a/libc++_shared.so ``` [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style