To use C++ API for BreakIterator in Blink, port getRuleStatus from ICU 52

See https://codereview.chromium.org/23618052 for the Blink change.

Patch by Igor Oliveira. 

Original review : https://codereview.chromium.org/23480090/

BUG=232922
TEST=ICU is built and Blink is built with Blink CL above once ICU is rolled.
TBR=cpu

Review URL: https://codereview.chromium.org/23532086

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/icu46@224814 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
4 files changed