GitLab

Support GetGroupIDInput/Output, which is modified from the same function
in audio_manager_chromeos.cc

BUG=b:173113548

Change-Id: I3a00ebabd5e14f1ca087cab491d6747baaa7eb9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2536663
Commit-Queue: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828561}