Owner and milestone for increase-input-audio-buffer-size flag.

Change-Id: Ib142a395db29f8ed48c35b5f7c8ffc13cbce1fca
Bug: 830624, 826664
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/c/1346455
Commit-Queue: Henrik Grunell <grunell@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611086}

chrome/browser/flag-metadata.json

@@ -2295,8 +2295,8 @@
   },
   {
     "name": "increase-input-audio-buffer-size",
-    // "owners": [ "your-team" ],
-    "expiry_milestone": 76
+    "owners": [ "grunell" ],
+    "expiry_milestone": 73
   },
   {
     "name": "infinite-session-restore",