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

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

Change-Id: I667dc4d48613865bfe5109c054c890548d68327e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>