Add ST recog start/stop/start race cond test

Add test which attempts to induce the race condition we are attempting
to solve. Fails without the framework fix.

Rename/refactor setup functions for easier composition.

Bug: 236826280
Fixes: 280365711
Test: CtsSoundTriggerTestCases
Change-Id: Id08e5ea6a5e16b02ec06f5d17867ec8cbfc2c1f4
1 file changed