Revert "Revert^2 [Invisalign] Build changes to split out libbluetooth-core"

This reverts commit 02ddb3fe.

Reason for revert: broken build (https://android-build.googleplex.com/builds/submitted/9395755/full-eng/latest/view/logs/build_error.log)

Bug: http://b/262263387
Change-Id: I59b17187c7bda730a688717af51303a2f8d775fb