audio policy: force initial audio patch after opening an output. am: 0ca09403

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/27382241



Change-Id: If6a05513b52e0ea28a7267ae6ab0d0b4fedbe620
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>