Avoids hitting DCHECK in OpenSL ES player

TBR=glaznev
BUG=NONE

Review URL: https://codereview.webrtc.org/1467433002 .

Cr-Original-Commit-Position: refs/heads/master@{#10727}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 76a31ca3d4ef10cd19cfac557b783e438907ef01
1 file changed