Backport of "avfdeviceprovider: do not leak the properties" into 1.20
Backport of !3268 (merged) "avfdeviceprovider: do not leak the properties".
Commits:
- d44eb4b2 avfdeviceprovider: do not leak the properties
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Backport of !3268 (merged) "avfdeviceprovider: do not leak the properties".
Commits: