ticket:8464: Fill out details of how data from ICU resource bundles get stored. Introduce QuantityFormatter class.

git-svn-id: http://source.icu-project.org/repos/icu/icu4j/branches/tkeep@34227 251d0590-4201-4cf1-90de-194747b24ca1
ticket:8464: Fix singular form of second in hard-coded data. Have Android-test use GMT since android emulator always seems to use GMT.

git-svn-id: http://source.icu-project.org/repos/icu/icu4j/branches/tkeep@34230 251d0590-4201-4cf1-90de-194747b24ca1