Rename FinishSample to ScheduleNextSample to avoid confusion

Bug: 851163
Change-Id: I2537e17a74492375c78ab210dfbdb56652040eb7
Reviewed-on: https://chromium-review.googlesource.com/1098034
Commit-Queue: Xi Cheng <chengx@chromium.org>
Reviewed-by: Mike Wittman <wittman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#566652}
1 file changed