Allow ringtone, media context type as input device for PTS mode

CAP test case need to have the ringtone, media for the input device, but
it doesn't have the user scenario now. We allow the configuration only for the PTS
property.

Bug: 240145498
Test: PTS CAP/INI/UST/BV-04, 08
Change-Id: I9c124318ea5a856544e11e57b97d3cc920648568
Merged-In: I9c124318ea5a856544e11e57b97d3cc920648568
(cherry picked from commit 2f72b7bc)