ScheduledExecutorService silently ignores exceptions thrown by the runnable. This makes debugging issues unnecessarily difficult. Bug: None Change-Id: I7deb43b96e5639c096b9aed9c6ff9b197b62f59f Reviewed-on: https://chromium-review.googlesource.com/521084 Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18378}