Merge "Effect AIDL: fix several bugs in Visualizer AIDL" into udc-qpr-dev-plus-aosp am: 29980bdb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/25482695



Change-Id: I3a5dd6db8d4a598c870ffab8ce5a51432fca2ad7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>