Add google-owned SMS short codes for KE and RW

Google RCS uses FTEU MO SMS for phone number verification. These are two new shortcodes that have been acquired and should be added to the list. Ownership proof for KE-23342: https://screenshot.googleplex.com/79GRYtbSdyQivjd 
Ownership proof for RW-5060:
https://screenshot.googleplex.com/4ULTLTakmmQKp7k


BUG: 285600263
TEST: tested the regional configuration with and without the whitelisting per go/premiumsms

Change-Id: If82b9ff10da313a4c28302baae6da6e237b5ae08
Signed-off-by: John <apizzaguy@google.com>