Promotion of av-userspace.lnx.2.0-00021.

CRs      Change ID                                   Subject
--------------------------------------------------------------------------------------------------------------
1032416   I0865dcb234e55af16f6177f7de6a84dd66228a0f   configs: update sound trigger to support hotsound
1030710   I127c02adff3f2148e318d9f4945c501f3f20dc55   policy_hal: Move global effects to correct output
1034637   I8052c8b878bbd4d70c0453df054953d494773b0a   hal: Enable direct playback support for AUDIO_FORMAT_PCM
1022234   I18ec458bc815e3f6faab95342251ab0dace5be20   hal: audio: port missing changes from master

Change-Id: I3cf6dad2ff8885f5229e206f33bbc6e90347fec6
CRs-Fixed: 1034637, 1032416, 1030710, 1022234