Fix three failing tests.

Increase an overly-tight timeout in SelectorTest.

Remove an incorrect assertion about a return type.

Remove an assertion testing fallback behavior of Currency.getDisplayName where
icu4c's behavior changes between releases and the RI doesn't match its own
documentation.

(cherry-pick of 8b3d7dfa1b50eb611b20824242f35eba2cfba46e.)

Bug: 10210895
Change-Id: Ia21b7c20056646cfc3e8cc784741ef2cbd10b7df
3 files changed