Fuzzy match phone number for contact lookup.

In some countries, it appears that the country code received is
not always accurate to what we would expect (carrier kerfluffery?),
so don't do a lookup with the normalized phone number.

This is consistent with the logic we have been using for InCallUi.

Bug: 23822088
Change-Id: I2c7ede596cbb8a2e5c4a3a35d04ca78e62767bcc