Add missing copyright symbol (fixes #4990)

This also fixes a "Brave LLC" string in the copyright notice.

Author: fmarier

lib/l10nUtil.js

@@ -164,6 +164,7 @@ const defaultReplacements = [
   [/Google Chrome/g, 'Brave'],
   [/Chromium/g, 'Brave'],
   [/Chrome/g, 'Brave'],
+  [/Google LLC/g, 'Brave Software Inc'],
   [/Google/g, 'Brave'],
   [/You're incognito/g, 'This is a private window'],
   [/an incognito/g, 'a private'],
@@ -180,4 +181,5 @@ const defaultReplacements = [
   [/Bookmarks Bar\n/g, 'Bookmarks\n'],
   [/Bookmarks bar\n/g, 'Bookmarks\n'],
   [/bookmarks bar\n/g, 'bookmarks\n'],
+  [/Copyright <ph name="(YEAR|year)">/g, 'Copyright © <ph name="$1">'],
 ]