audio: Add checks to effects feature configs retrieval am: 8e3480ed

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/19806116



Change-Id: Ief00037cb4237b1a7d3f66fb6287f87e2e0761ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>