Fix a bug in ICU's bidi handling.

Cherry-pick an upstream patch from
http://bugs.icu-project.org/trac/ticket/11054

BUG=402297
TEST=See the comment 7 and comment 27 in the bug (after rolling DEPS with this
CL).

R=ckocagil@chromium.org
TBR=ckocagil@chromium.org

Review URL: https://codereview.chromium.org/566073003

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/icu52@292003 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
5 files changed