audio: Add support for multiple metainfo keys update

Add changes to read acdb metainfo key and module name from platform
info xml. Changes to add acdb key values to a list and query key value
based on module name.

CRs-Fixed: 1081424
Change-Id: Ia287a27c86f63fea16cdb35d553de6e2e853b4e9
9 files changed