Merge "PreProcessing: Data conversions for webrtc module and AEC check" into main am: f54ef11f72 am: 8e975b356b

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2942994

Change-Id: I4be914cc1cd355c267f39e0e494208960bb6517b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>