GitLab

Consolidate expectations for the imported Web Platform Tests for
legacy multibyte encodings (Chinese, Japanese, Korean) which exercise
tens of thousands of code points and often time out (>30s) even when
marked as slow.

TBR=kbr@chromium.org

Bug: 805725,736056,749070
Change-Id: I12051e3c3a20730783aabb39376b55e9788450f4
Reviewed-on: https://chromium-review.googlesource.com/889538Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Joshua Bell <jsbell@chromium.org>
Commit-Queue: Joshua Bell <jsbell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532512}