[grokdump] Annoying line wrapping fixed.
[grokdump] Annoying line wrapping fixed.

NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1136443002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#28294}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh