Add alias mapping for Noto Sans CJK for ja/hans

Add alias mapping for Noto Sans CJK for ja/hans

Chrome/Chromium OS are getting a brand new CJK fonts (Noto Sans CJK).
We want them to be used in place of common Japanese and Simplified
Chinese sans-serif fonts.

BUG=chromium:399080
TEST=With CrOS CL
(https://chromium-review.googlesource.com/#/c/212624/), web pages
using 'Simhei' and 'MSP Gothic' are rendered with Noto Sans CJK.

R=reed@chromium.org, bungeman@google.com

Author: jshin@chromium.org

Review URL: https://codereview.chromium.org/476203003