HearingAid: Prevent test to crash full runner

The test was asserting inside the onReceive that is running on
targetContext. When crashing on this thread, it will crash the whole
instrumentation runner and all following test.

Replace the code with intentmatcher and remove the need for a queue.

Bug: 318800333
Test: atest HearingAidServiceTest
Flag: Exempt, test only
Change-Id: I67d08c82a2f2f4d4950cc7817cf274048ffa9f79