GitLab

Release MachineLearningDecisionServiceProvider before tearing
down ash to fix the crash.

Bug: 987687
Change-Id: Ice42d1c50b0534d5f8386038087b74a84bd6969c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1719447Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Commit-Queue: Xiyuan Xia <xiyuan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#681421}