[components] Closes mozilla-mobile/android-components#3797: Do not di…

…splay site title/url/icon in media notification in private mode.

X-Channel-Revision: [main] mozilla-mobile/android-components@cf522a7
X-Channel-Revision: [main] mozilla-mobile/fenix@20b25d7
X-Channel-Revision: [main] mozilla-mobile/focus-android@29486b8
X-Channel-Converted-Revision: [ac-prep] mozilla-mobile/firefox-android@7b0d0b8

_meta/mozilla-mobile-firefox-android.json

@@ -1,6 +1,6 @@
 {
   "name": "mozilla-mobile/firefox-android",
   "revs": {
-    "ac-prep": "61f085dccea278c204c2fb2b362872ba25d9e51c"
+    "ac-prep": "7b0d0b83d898cafbe7d1764e3b6ef452a877754e"
   }
 }

mozilla-mobile/android-components/components/feature/media/src/main/res/values/strings.xml

@@ -15,4 +15,7 @@
 
     <!--This is the title of the "pause" action shown in the media notification while web content is playing media. Clicking it will pause currently playing media. On most modern Android system only an icon is visible. But screen readers may read this title. -->
     <string name="mozac_feature_media_notification_action_pause">Pause</string>
+
+    <!-- Neutral title of the media notification for when a website that is open in private mode. -->
+    <string name="mozac_feature_media_notification_private_mode">A site is playing media</string>
 </resources>