Merge "Remove modules that depended on webrtc_legacy" am: 308f2b28a4

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1521067

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I031cad3eb9b6870d2c5db4e12de33c15c3ba576b