samsung: add support for tvout and yamahaplayer services

Change-Id: I653f9876b7fb83734abf3a0b9b9b5af1920b8112

libmedia: renamed cflag for samsungs isSeparatedStream()

also needed on non-yamaha sound phones
BOARD_USE_YAMAHAPLAYER -> BOARD_USE_SAMSUNG_SEPARATEDSTREAM

Change-Id: I5326f4e561102df4d47152b560fe0185fa848ff5

libmedia: build with AudioParameter if needed

Usage:
BOARD_USES_LIBMEDIA_WITH_AUDIOPARAMETER := true

Change-Id: I4d33afcf2af200f70120ee9b9ee03c8830712686