audio: Provide operations common to input and output streams am: e9f10fc9 am: 66b60e7f

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2256002



Change-Id: Ic68d33cfa0b38a4556104493fcf904669732c81f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>