tree 892c40f887b8ada65dbaacca86b9648e97206fe8
parent 23923139d2538ed2718fe26f82f6f0a43cef582f
author twyen <twyen@google.com> 1521850094 -0700
committer Copybara-Service <copybara-piper@google.com> 1522127984 -0700

Check empty number before querying data ID for preferred account

In call UI might use PreferredAccountWorker with a voicemail URI that has no numbers.

Bug: 76205637
Test: Unit tests
PiperOrigin-RevId: 190298082
Change-Id: I9949de5499958c408d6e1bf18cab6e77852d2487