MPEG-4/D DRC unification, loudness norm default at -24

Unify API parameter of MPEG-4/D DRC and introduce rounding to boost/compress setParam function (FDKdec v3.1.1).

Enable Loudness Normalization with target loudness -24 by default (FDKdec v3.1.2).

Bug: 131255165
Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc
Change-Id: I249a36b4861d0c8d4a0ed2df4dc1f444576bac6b
5 files changed