Audio r_submix : Replace usage of portId by device address

Use stream switcher to obtain device address for creation
of a remote submix stream.

Bug: 286914845
Test: atest VtsHalAudioCoreTargetTest
Change-Id: I8dde3d59e488c9621dce78ffd5249254ecfc0b1a
(cherry picked from commit 2e460345a267388794f53516acb700f9ce3a221e)
Merged-In: I8dde3d59e488c9621dce78ffd5249254ecfc0b1a
2 files changed