Merge "EnvironmentalReverbTest: Add test for diffusion parameter" into main am: 3310dd44c2 am: 3c6ada5c2c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3125535

Change-Id: I1655a79b65269f248a232a67a649d15c57fb7fa8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>