Backport of "plugins: Demote rank of vaapipostproc and vaapioverlay." into 1.18
Backport of !429 (merged) "plugins: Demote rank of vaapipostproc and vaapioverlay.".
Commits:
- b3d9c5bf plugins: Demote rank of vaapipostproc and vaapioverlay.
Backport of !429 (merged) "plugins: Demote rank of vaapipostproc and vaapioverlay.".
Commits: