[automerger skipped] Effect AIDL: fix several bugs in Visualizer AIDL am: 2caf8fd2 -s ours

am skip reason: Merged-In I3404073ddb61d9fdb48d2ddcdb80fdd5c408e3e6 with SHA-1 7520b6c7 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/25486153



Change-Id: I049f423d41136b6c77d3a7e73233d6c12cd9daca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>