Add a new(Empty) media quality system service for TV setting

Introduce a new media quality framework to standardize APIs for picture
quality and sound quality setting.

Flag: android.media.tv.flags.media_quality_fw
Bug: 373718010
Test: Cuttlefish
Test: Gambit

Change-Id: I873f5d6f9383c2480e3e4497eadb5666e2fedd69