Tagged release is +2 years old, fix-android-threads patch got upstreamed so it
is no longer necessary here. Also, includes a small patch which makes it
build on uwp.
* [libevent] Fix include headers fails on x64-windows, using CMAKE
* [libevent] Fix conflicting file portfile.cmake
* [libevent] Update the CONTROL version
Co-authored-by: Jack·Boos·Yu <47264268+JackBoosY@users.noreply.github.com>