Implement setVoicemailRingtoneUri and setVoicemailVibrationEnabled

Bug: 34626472
Fixes: 34626472
Test: CtsTelephonyTestCases TelephonyManagerTest
    testVoicemailRingtoneSettings and testVoicemailVibrationSettings

Change-Id: Ie9827a2ef0b3ac25fe3c7c3b03a58fceee80daae
1 file changed