android_webview: Add comment for exclusion of url in crash reports.

R=ericrk@chromium.org

Bug: 936575
Change-Id: I0265188debd9a94083272b4658b57994767bbc5f
Reviewed-on: https://chromium-review.googlesource.com/c/1492424
Commit-Queue: Tobias Sargeant <tobiasjs@chromium.org>
Reviewed-by: Eric Karl <ericrk@chromium.org>
Reviewed-by: Tobias Sargeant <tobiasjs@chromium.org>
Auto-Submit: Khushal <khushalsagar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636844}
1 file changed