Google RCS uses FTEU MO SMS for phone number verification [ Week 17 and Week 18]

We are adding 8 digits short code for the country (IR)

BUG: 336426119, 338159395

abtd: https://android-build.corp.google.com/abtd/run/L21300030003850248

Test: atest android.telephony.cts.SmsUsageMonitorShortCodeTest

Change-Id: Ida2172dd50a645160180906d9c4b94a5ffd3c329