audio: Add checks to effects feature configs retrieval am: 8e3480ed am: b5a665a3

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



Change-Id: I0fd3688038a23a73d8f97417a174b0cfb25097bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>