audio: Pass flags and I/O handle to StreamContext am: b42a69ef68

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2639433

Change-Id: I55985bc7a4dd84e10cb9f5f5c4b61ff5394b0798
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>