Fix force close of voicemail activity caused by screen rotation

Since VoicemailSettingsActivity does not handle horizontal/vertical
screen rotation properly, RuntimeException occurs when selecting contact
after screen rotation in "Choose a contact" view. Add configChanges
attributes in AndroidManifest.xml to fix the issue.

Bug: 32424108
Change-Id: I422328389dfd96444806a222b8ebbfc758daa477
2 files changed