Digits app lost a feature -- Correctly named filename on phone-number
Issue: Regression test fail! We have to keep renaming the files to the phone-number and date-timestamp. Please fix the filename for “download voicemail”
previous: file name would be 2025551212_<<TIMESTAMP_DATE».mp3
current: Wed May 04 2022 21_45_16 GMT-0400 (Eastern Daylight Time).mp3
