Prioritize Pacific/Kanton over Pacific/Enderbury.

CLDR 42 adds translations for it, so we can use it now [1].
But ICU considers Pacific/Enderbury as canonical ID for
Pacific/Kanton, so on SettingsUI Enderbury is listed even though
under the hood Pacific/Kanton is used.

[1] https://source.corp.google.com/aosp-master/external/cldr/common/main/ar.xml;l=4457

Fix: 204539416
Bug: 204539416
Test: Time zone picker works with Pacific/Kanton
Change-Id: I65c30a93af9d3d00d38abc894b04248a0e98f62d
5 files changed