Add CTS coverage for changeOfferedRtpHeaderExtensionTypes

Use the Telephony shell command to override availability of D2D even if
the device doesn't support it, override carrier config and verify that
we get a request to set supported header extention types.

Test: Added CTS coverage for changeOfferedRtpHeaderExtensionTypes
Fixes: 183239479
Change-Id: If31356d8ebdaf45237f029edfa79358b8de59030
(cherry picked from commit c9976151a3ab778e0386c039f891ca5651b3f2fe)