JAVA: Added method to PhoneNumberUtil API and updated the CarrierMapper API

git-svn-id: http://libphonenumber.googlecode.com/svn@618 ee073f10-1060-11df-b6a4-87a95322a99c
JS/C++: Added mobile token support to phone number util

git-svn-id: http://libphonenumber.googlecode.com/svn@619 ee073f10-1060-11df-b6a4-87a95322a99c