remove orientation from voicemail settings activity am: e063dcdacb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/20861642

Change-Id: I632035de9cfc69401857a21299cb210ed65081d8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>