Revert "leaudio: Fix possible race when confirming stream start"

This reverts commit 91a8cc85.

Reason for revert: Solve one problem but introduce deadlock
->confirmStreamingRequest->SendsAudioData

Bug: 244616585 
Change-Id: Ia753e9930c37e5a578cfb5e0a7e7ebc52b2cab84
Test: atest BluetoothInstrumentationTests
Tag: #feature