Merge "Update AudioFormat setChannelMask comment" into main am: 250365da0f am: 709f2a471d am: 63d05511b8

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2787114

Change-Id: I0fe67bc176d540ec3cff7021241935d34b9c74c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>