hal: Add audio support for 8092

- Add support for OMX audio encoder components for mpq8092.

Change-Id: I7a652581fd48fc22c025193d2c825b6e747edcfe
hal: pass set parameters call to listen hal

Pass set parameters call to listen hal. Currently it used
to handle SSR in listen hal.

Change-Id: Ia8df94ca87916afff45fe4e3fd569f6268bc3560
audio: Re-arrange member var initializations

Rearrange initializations of some stream_out member
variables to prevent possible uninitialized use.

CRs-Fixed: 587676
Change-Id: I7018f38f29a19b130185b285f4acf22219e4228c