Add watchlist for webrtc/media + add solenberg@
Add watchlist for webrtc/media + add solenberg@

- Add watchlist for webrtc/media.
- Add/remove myself from lists.

NOTRY=True

Review URL: https://codereview.webrtc.org/1887983004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#12375}

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