Backport of "vaapi: libs: context: use queried value for attrib" into 1.20
Backport of !3397 (merged) "vaapi: libs: context: use queried value for attrib".
Commits:
- 416446b2 libs: context: use queried value for attrib
Backport of !3397 (merged) "vaapi: libs: context: use queried value for attrib".
Commits: