Clean copy of version XHEAAC_V1_36 as delivered 2018/4/13
Sole change is to map cr/lf line termination to unix lf.
Added appropriate LICENSE, MODULE_LICENSE_APACHE2, and NOTICE files
as part of folding into internal master.
Bug: 77287124
Test: CTS audio/media
Change-Id: I3c8d124033f967b29d6e384cce5c843ee17a7bb1