[automerger skipped] audio: Move StreamContext ownership out from StreamCommonImpl am: bff67d3e12 -s ours

am skip reason: Merged-In Iaf13d4bc3a53cbfc27264d3abd1f6c417ece3941 with SHA-1 6ddefdbcdf is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24287965

Change-Id: I1c5231d22329459fa29a53adb7716e5f97ecef4f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>