libtunerservice: Use libfmq MQDescriptor conversion function

The unsafeHidlToAidlMQDescriptor was implimented in libtunerservice
before libfmq's version was checked in. Since it is now checked in and
supported, we are using it.

Test: m libtunerservice && m mediatuner
Bug: 176912570
Change-Id: I8758101948b2e95dc68c5889cca79ef3f87619fc
2 files changed