CRAS: Replace pre-stop with post-stop

It seems that pre-stop can not work with restart. Use post-stop instead
to fix the problem.

BUG=b:173340662
TEST=restart cras successfully

Change-Id: Ie472381a00bdc6357d446f175ace3d9b88a33274
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/2544290
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
Tested-by: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Commit-Queue: Judy Hsiao <judyhsiao@chromium.org>
Auto-Submit: Yu-Hsuan Hsu <yuhsuan@chromium.org>
1 file changed