Updating VCM owners to reflect current active persons in the project.
Updating VCM owners to reflect current active persons in the project.

BUG=none
R=asapersson@webrtc.org, brandtr@google.com

Review-Url: https://codereview.webrtc.org/2877713002 .
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#18091}

TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc