The support library sources have been published to AOSP for a long time now. And as of recently, they're even developing most of them in AOSP (as opposed too me

The support library sources have been published to AOSP for a long time now. And as of recently, they're even developing most of them in AOSP (as opposed too merely syncing changes there occasionally): https://android.googlesource.com/platform/frameworks/support/+/androidx-master-dev https://android.googlesource.com/platform/frameworks/support...