Update StreamHalHidl to use IStreamOut.WriteStatus new field

Updated the client code to use the new field:
IStreamOut.WriteStatus.presentationPositionRetval for providing
legacy-compatible results when calling 'get_presentation_position'
immediately after 'write'.

Bug: 30222631
Test: Loopback RTT, media CTS
Change-Id: Idf3f1d29288ddf17a5015f96291648d64d124ec7