uapi: lsm_params: Add support for listen output format

The audio output from listen service can be captured in various
configurations. Add support for userspace to provide the configuration
to be used for capturing audio data from the Listen service.

Change-Id: I274b6693d94e7badf4d98ceda7df9d474f3bc18c
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>