Surrogate pair line breaking test combined, font added

The test for line breaking was split into two files and didn't
have rendering glyphs on all platforms. Fixed that.

BUG=535102
R=eae,leviw,kojii

Review URL: https://codereview.chromium.org/1361953002

Cr-Commit-Position: refs/heads/master@{#350516}
21 files changed