GitLab

The answers in suggest doesn't put a space between, for example
+ the degrees Fahrenheit and the day of the week
+ the stock price and the stock delta (+/- value)

This CL puts a space between those values, which is more readable for the user.

BUG=

Review URL: https://codereview.chromium.org/1023993003

Cr-Commit-Position: refs/heads/master@{#322071}