Whitelist the new hotwording component extension for media capture.

chrome/common/extensions/api/_permission_features.json

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This features file defines permissions for extension APIs implemented
 // under src/chrome.
 // See extensions/common/features/* to understand this file, in particular
 // feature.h, simple_feature.h, and base_feature_provider.h.
 
 // To add a new whitelisted ID, SHA-1 it and force it to uppercase. In Bash:
@@ skipping 111 matching lines @@
       "extension_types": ["platform_app"]
     },
     {
       "channel": "stable",
       "extension_types": ["extension"],
       "whitelist": [
         // http://crbug.com/292856
         "3F50C3A83839D9C76334BCE81CDEC06174F266AF",
         "09FDCB5851B8F3378DB630D06E316076E89C95A6",
         "39BE69F11F68E4EED080DA3DC2394F7885B7AFF9",
-        "FF78670081967CE21DB86A04AD94A0498F01E20A"
+        "FF78670081967CE21DB86A04AD94A0498F01E20A",
+        // Hotword component extension
+        "62CCAAD339E6451BBF97C4BBDF758E934A05AD0B"
       ]
     }
   ],
   "background": [
     {
       "channel": "stable",
       "extension_types": [
         "extension", "legacy_packaged_app", "hosted_app"
       ]
     },
@@ skipping 1016 matching lines @@
     // Only allowed for whitelisted extensions until all the caveats are
     // addressed. Tracked in crbug/285151.
     "channel": "stable",
     "extension_types": ["extension"],
     "location": "component",
     "whitelist": [
       "D519188F86D9ACCEE0412007B227D9936EB9676B"  // GAIA Component Extension
     ]
   }]
 }