[SDL 0297] Add function to transmit audio data of AudioStream in time division

[zx5656]

Fixes #1808

This PR is not ready for review.

Risk

This PR makes minor API changes.

Testing Plan

• I have verified that I have not introduced new warnings in this PR (or explain why below)
• I have run the unit tests with this PR
• I have tested this PR against Core and verified behavior (if applicable, if not applicable, explain why below).

Unit Tests

Updated Unit tests for pushWithFileURL

Core Tests

I have run my test app to make sure audiostream runs.
Test app: https://github.com/zx5656/sdl_video_streaming_iOS_sample
Core version / branch / commit hash / module tested against: Core 6.1
HMI name / version / branch / commit hash / module tested against: our own HMI

Summary

This implements [SDL 0297] Add function to transmit audio data of AudioStream in time division

Changelog

Breaking Changes

• N/A

Enhancements

• This PR adds a function that transmits time-divided audio data via AudioStreaming.

Bug Fixes

• issue [SDL 0297] Add function to transmit audio data of AudioStream in time division #1808

Tasks Remaining:

• N/A

CLA

• I have signed the CLA