Merge "Effect Aidl: make EffectFactoryHelper methods static only" into main am: 337c6afb98

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2987144

Change-Id: I89f99dba9530216dd8fe6571eed6a3e290461d7b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>