Add phoglund@ to various OWNERS and remove kjellander@

TBR=henrika@webrtc.org

Bug: webrtc:8363
Change-Id: Ibcb3e8d40a93542ea0825faf92a6db11dc5a0c13
Notry: True
Reviewed-on: https://webrtc-review.googlesource.com/7606
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20344}
diff --git a/infra/OWNERS b/infra/OWNERS
index 0428a4a..524e267 100644
--- a/infra/OWNERS
+++ b/infra/OWNERS
@@ -1 +1 @@
-kjellander@webrtc.org
+phoglund@webrtc.org