[AW] Fix expiration date for the ShouldInterceptRequest.InterceptionType histogram

That histogram shows as expired now due to a typo in the expiration year,
this patch fixes the expiration date, so that the histogram data is
actually recorded.

BUG=841556,929788
TBR=tobiasjs@chromium.org,asvitkine@chromium.org
NOTRY=true

Change-Id: I727047305aca5a360a7e673b76aab31425fefe50
Reviewed-on: https://chromium-review.googlesource.com/c/1477597
Reviewed-by: Tim Volodine <timvolodine@chromium.org>
Commit-Queue: Tim Volodine <timvolodine@chromium.org>
Auto-Submit: Tim Volodine <timvolodine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#633242}
1 file changed