Updating common_audio/OWNERS

TBR=tina.legrand@webrtc.org
NOTRY=true

Review URL: https://codereview.webrtc.org/1326263004

Cr-Commit-Position: refs/heads/master@{#9893}
diff --git a/webrtc/common_audio/OWNERS b/webrtc/common_audio/OWNERS
index 98ec472..af12ff7 100644
--- a/webrtc/common_audio/OWNERS
+++ b/webrtc/common_audio/OWNERS
@@ -1,7 +1,8 @@
-bjornv@webrtc.org
 tina.legrand@webrtc.org
 jan.skoglund@webrtc.org
 andrew@webrtc.org
+henrik.lundin@webrtc.org
+kwiberg@webrtc.org
 
 per-file *.isolate=kjellander@webrtc.org