Falcon Will he be adapted in GOS?
Those articles appear to be about a feature present in some A16 beta builds on Google's OS. Sometimes those things make it into the released version of Google's OS, and sometimes not (e.g., app cloning).
Then, some features of Google's stable OS are contributed by Google to AOSP, and some do not.
Almost all features that Google contributes to AOSP are quickly shipped by GrapheneOS.