Support multiple output devices in refrence audio HAL

Parsed card id and device id from output bus device address,
and used them to write output data into corresponding PCM
devices in stream alsa.

Bug: 336370745
Test: atest VtsHalAudioCoreTargetTest
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:4d71bd736be6f52a9e954dd518be0b6ece3ddc1b)
Merged-In: I18efa2d1aea233375906efc0aa9c93c8f3b464e8
Change-Id: I18efa2d1aea233375906efc0aa9c93c8f3b464e8
3 files changed