[automerger skipped] Vulkan: load built-in driver into default namespace as a fallback am: d10af92a7b -s ours

am skip reason: Change-Id I96efd5234fdcdac3bfcd48b1c3f1eb309db1bb00 with SHA-1 4240670c67 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/13238590

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6ae8450a4283d9ec129fb87a092857d784355aa1