audio: Use more bursts in audio I/O VTS tests

Some audio outputs use A/V sync and requre mode bursts
in order to start reporting the presentation position.

Bug: 300735639
Bug: 328010709
Test: atest VtsHalAudioCoreTargetTest
(cherry picked from https://android-review.googlesource.com/q/commit:a2a9fa50039d69643527020ab6706b319f0e6c62)
Merged-In: Icad0942f2ba1dcd6f030a7dc4f37e22fdbd6dd71
Change-Id: Icad0942f2ba1dcd6f030a7dc4f37e22fdbd6dd71
24D1-dev is based on 24Q2-release. Therefore, we merged this CL to 24D1-dev.