Pull in icu42 @ 33403 to update am and sw locale data. 
Pull in icu42 @ 33403 to update am and sw locale data. 

See http://codereview.chromium.org/450022/show for the actual change

BUG=25451
TEST=When Chrome is run in '--lang=am' or '--lang=sw' (or LANGUAGE=am chrome or LANGUAGE=sw chrome on Linux), 1. Options | Under the hood | Fonts & Languages | Languages show most language names in Amharic or Swahili. 2. Date/Time formats in History/Download page match the most up to date CLDR trunk for am and sw.



Review URL: http://codereview.chromium.org/452026

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@33420 0039d316-1c4b-4281-b951-d872f2087c98

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