hal: add Waves command interface

Waves tuning console needs this interface to set/get parameters.

Test: set/get command successfully
Bug: 145973032

Change-Id: Ib11c1a688f73e9cef388e09180abcd85e1720bcb
Signed-off-by: justinweng <justinweng@google.com>
(cherry picked from commit e912bd5bf142732c1c8ec421ce003106113a4556)