Backport of "avauddec: fix unnecessary reconfiguration if the audio layout isn't specified" into 1.20
requested to merge tpm/gstreamer:backport-mr-3103-into-1.20-avaudec-reconfiguration-fix-no-layout into 1.20
Backport of !3103 (merged) "avauddec: fix unnecessary reconfiguration if the audio layout isn't specified".
Commits:
- 237b0638 avauddec: fix unnecessary reconfiguration if the audio layout isn't specified