bluetooth: include what you use

Helper libraries also now on vendor partition.

Test: links
Test: bluetooth works on internal Marlin
Bug: 33241851

(cherry picked from commit 96510c80)
Merged-In: Ie99faf9146ce2ce3df83a2b46acfaa36a54c16c2
Change-Id: Ie99faf9146ce2ce3df83a2b46acfaa36a54c16c2