-Non tunnel playback is use case where compressed data is sent to driver(for decoding) and caller expects PCM data back from the driver. -Add non-tunnel driver for amr-wb+. -Add support for amr-wb+ in asm driver Change-Id: I266e70dff0466a20b0435da840a31a8a1774cf35 Signed-off-by: Ajit Khare <ajitk@codeaurora.org>