New owner for WebRTC APM factory/config

No-Try: True
Bug: webrtc:7494
Change-Id: I590ec5371db86b66e7523209d3131b065a2463ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2449369Reviewed-by: Guido Urdaneta <guidou@chromium.org>
Commit-Queue: Ale Bzk <alessiob@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813643}

third_party/blink/renderer/modules/mediastream/OWNERS

@@ -2,7 +2,7 @@ guidou@chromium.org
 hbos@chromium.org
 tommi@chromium.org
 
-per-file media_stream_audio_processor*=aluebs@chromium.org
+per-file media_stream_audio_processor*=olka@chromium.org
 
 # TEAM: webrtc-dev@chromium.org
 # COMPONENT: Blink>GetUserMedia

third_party/blink/renderer/platform/mediastream/OWNERS

 file://third_party/blink/common/mediastream/OWNERS
 
-per-file media_stream_audio_processor*=aluebs@chromium.org
+per-file media_stream_audio_processor*=olka@chromium.org
 
 # TEAM: webrtc-dev@chromium.org
 # COMPONENT: Blink>GetUserMedia