Audio HAL VTS: Split big test for better traceability

As some part of this big test were failing, it was difficult to actually
track on the dashboard what was wrong.

Split it in small independent equivalent tests.

Test: mm & run on target

Bug: 34170075
Change-Id: I03686e55ec112f0f0c0ef2683c5dc1ae79ff8d5e
Signed-off-by: Kevin Rocard <krocard@google.com>