camera: Support exposing aux camera to apps

Co-authored-by: Michael Bestas <mkbestas@lineageos.org>
Co-authored-by: Paul Keith <javelinanddart@gmail.com>
Co-authored-by: Rashed Abdel-Tawab <rashed@linux.com>
Change-Id: I15910154c6df205e6d4e00bfad30a00c9e3d5bee