* [vcpkg] Refactor out abi_tags_from_pre_build_info()
* [vcpkg] Track Windows toolchain file in triplet hash
* [vcpkg] Improve error messages when constructing PreBuildInfo
* [vcpkg] Extract InstallPlanAction::BuildAbiInfo
* [vcpkg] Extract Build::EnvCache and private-impl VcpkgPaths
* [vcpkg] Enable compiler hash detection when binarycaching is enabled
* [vcpkg] Downgrade warning about missing ABI keys
When binarycaching is not enabled, this warning is spurious and provides no user value.
* [vcpkg] Cleanup
* [vcpkg] Refactor compiler tracking into triplet abi computation
Move several static global caches into VcpkgPaths/EnvCache.
Add feature flag 'compilertracking' to enable the new feature.
* [vcpkg] Refactor out PreBuildInfo::using_vcvars()
Move VcpkgTripletVar into build.cpp because it is not used outside that file.
* [vcpkg] Address some code analysis warnings
Co-authored-by: Robert Schumacher <roschuma@microsoft.com>
* added android triplets
* added android support to vcpkg
* added export directories to git ignore
* fix libraries naming
* added vckpg sources to visual studio project files
* rename file location
* issue with std::string fs:path copy initialization
* format path on VStudio
* fix checks format cannot work on fs::path
* support header only libraries
* support using architecture instead of triplets
* added prefab support
* added debug logs and prefab debug flag
* added support for empty packages i.e openssl
