Added usage to init call for audiostream registration.

Player type AAudio are always initialized with AUDIO_USAGE_MEDIA. Added
fix to initialize with assigned usage.

Bug: 143578354
Test: ran native application with usage of AUDIO_USAGE_NOTIFICATION
Test: atest CtsNativeMediaAAudioTestCases
Change-Id: I170e0b55d7f90b59d9b5129b22f4a9080957994b