The existing one, being deleted here, did not work properly: it only updated the file used by libcore and bionic, it did not update the ICU data. Most of the installation logic exists in code in libcore/tzdata that is independent of the server code so that it can be tested. Bug: 19941636 Change-Id: Id0985f8c5be2f12858ee8bf52acf52bdb2df8741