Fuzzing MediaPlayerService

Adding an AIDL fuzzer for MediaPlayerService using fuzzService API.

Test: m media_player_service_fuzzer && adb sync data && adb shell /data/fuzz/arm64/media_player_service_fuzzer/media_player_service_fuzzer -runs=10000
Test: m libmediaplayerservice
Bug: 232439428
Change-Id: Ibbc754a0ab3b130d552f7d81992bffb0b2863530