SimpleDateFormat: Amend tests to match specified behaviour.

We don't claim to support numeric timezones of the form GMT+hh
or GMT+h:m. This worked purely by accident in earlier releases of
Android and we don't want applications relying on this behaviour.

bug: 27158550
Change-Id: I5e151cc4dd7a339d606d9d0ec51d700bad4b5506
1 file changed