CRAS: cras_hfp_ag_profile: Fix use-after-free

destroy_audio_gateway will free audio_gateway but it's used by
cras_bt_device_notify_profile_dropped.

BUG=b:170096536
TEST=scan-build make check

Change-Id: Ib2619ae5a291921038dc2b371b4f6d7006893bce
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/2452189
Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
Commit-Queue: Chih-Yang Hsia <paulhsia@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
1 file changed