[androidkit] support GL surfaces in AndroidKit

Currently backed by sk_app, we need to move the Android window context files out of sk_app into its own module.

Vulkan is only supported by Android devices running SDK 24+, added guards to Create_VK and annotations for developers.

Change-Id: Ica64a1feef4a3daf50758df05df488da0346ed72
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/401796
Commit-Queue: Jorge Betancourt <jmbetancourt@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
3 files changed