audio: Set 'maxOpenStreamCount' to unlimited for input ports am: 8dbc51158f am: 81b8fb2841

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2768032

Change-Id: If097fc0794b2ca21f7906dace12d5f5d0ce4def5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>