Reland "Remove steveanton from api/ watchlist"

This reverts commit b267b0e02190ca9d025e0a9360ab63b05e3a22d0.

Reason for revert: Revert of previous speculative revert

Original change's description:
> Revert "Remove steveanton from api/ watchlist"
> 
> This reverts commit ee82de28d6442a765de38ed28fce7158c9c94d3d.
> 
> Reason for revert: Speculative revert
> 
> Original change's description:
> > Remove steveanton from api/ watchlist
> > 
> > TBR=steveanton@webrtc.org
> > 
> > NoTry: True
> > Bug: None
> > Change-Id: I4a3ef8e5d1966257291844a4d7df5676c731f59a
> > Reviewed-on: https://webrtc-review.googlesource.com/97820
> > Reviewed-by: Steve Anton <steveanton@webrtc.org>
> > Commit-Queue: Steve Anton <steveanton@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#24558}
> 
> TBR=steveanton@webrtc.org
> 
> Change-Id: I7631be60579ced0f77724949ba44abd1a6e2337f
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: None
> Reviewed-on: https://webrtc-review.googlesource.com/97982
> Reviewed-by: Ying Wang <yinwa@webrtc.org>
> Commit-Queue: Ying Wang <yinwa@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#24566}

TBR=steveanton@webrtc.org,yinwa@webrtc.org

Change-Id: I90b2fd99f0334061bd25562af9a4ab02ee3dfa47
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: None
Reviewed-on: https://webrtc-review.googlesource.com/98100
Reviewed-by: Ying Wang <yinwa@webrtc.org>
Commit-Queue: Ying Wang <yinwa@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24577}

WATCHLISTS

@@ -114,8 +114,7 @@
     'audio': ['solenberg@webrtc.org',
               'tina.legrand@webrtc.org'],
     'api': ['kwiberg@webrtc.org',
-            'solenberg@webrtc.org',
-            'steveanton@webrtc.org'],
+            'solenberg@webrtc.org'],
     'base': ['kwiberg@webrtc.org'],
     'call': ['mflodman@webrtc.org',
              'solenberg@webrtc.org',