audio: fix vts failure on vendor property check

Old:
    audio.snd_card.open.retries

New:
    vendor.audio.snd_card.open.retries

Bug: 158725453
Test: Build pass
Change-Id: Ibe185cb6ade264cecf23cd866a1c89f418ab4bdb
Signed-off-by: JJ Lee <leejj@google.com>
1 file changed