Add steveanton@ to media/ OWNERS

Bug: None
Change-Id: Ic1f9e72cb574002539f4fe84d483bb94afbfbb71
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/c/120747
Reviewed-by: Seth Hampson <shampson@webrtc.org>
Commit-Queue: Seth Hampson <shampson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26501}
diff --git a/media/OWNERS b/media/OWNERS
index 4544e9f..3b958ed 100644
--- a/media/OWNERS
+++ b/media/OWNERS
@@ -6,6 +6,7 @@
 perkj@webrtc.org
 shampson@webrtc.org
 solenberg@webrtc.org
+steveanton@webrtc.org
 
 # These are for the common case of adding or renaming files. If you're doing
 # structural changes, please get a review from a reviewer in this file.