brillo: Add test to sweep parameters for recording.

Sweep over number of channels, sample widths, sample rates for recording
using OpenSL ES.

BUG=26747922,26746989,26746989
TEST=suite:brillo-audio passes

Change-Id: I12249f0fbf690a7b3421605e0d689fcd96217b68
Reviewed-on: https://chromium-review.googlesource.com/327262
Commit-Ready: Ralph Nathan <ralphnathan@chromium.org>
Tested-by: Ralph Nathan <ralphnathan@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
1 file changed