- Add a custom triplets for building dynamic android libraries
- Set `ANDROID_NDK_HOME` environment variable, as it is needed when
vcpkg builds for Android.
- Install openSSL for x64-windows, arm64-windows, and
armeabi-v7a-android-qt. The android triplet has been renamed from
vcpkg's official `arm-neon-android.cmake` triplet to further clarify
the android abi.
- The version of the libraries installed via vcpkg is being written to
versions.txt as `vpckg <library-name> = <library-version>`
Task-number: QTBUG-115715
Change-Id: I4a17bf00e59c3c90968941be6a21c1d961ba3d97
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
