Updating XTBs based on .GRDs from branch master

Cr-Commit-Position: refs/heads/master@{#373016}
diff --git a/components/strings/components_google_chrome_strings_en-GB.xtb b/components/strings/components_google_chrome_strings_en-GB.xtb
index bdec0c77..50bc6a4 100644
--- a/components/strings/components_google_chrome_strings_en-GB.xtb
+++ b/components/strings/components_google_chrome_strings_en-GB.xtb
@@ -5,6 +5,7 @@
 <translation id="2874156562296220396">Google Chrome is made possible by the <ph name="BEGIN_LINK_CHROMIUM" />Chromium<ph name="END_LINK_CHROMIUM" /> open source project and other <ph name="BEGIN_LINK_OSS" />open source software<ph name="END_LINK_OSS" />.</translation>
 <translation id="3140883423282498090">Your changes will take effect the next time you relaunch Google Chrome.</translation>
 <translation id="3444832043240812445">This page only shows information on your recent crashes if you <ph name="BEGIN_LINK" />enable crash reporting<ph name="END_LINK" />.</translation>
+<translation id="4010643444566880169">Chrome OS hasn’t completed its initial setup.</translation>
 <translation id="5423788048750135178">Go to the Chrome menu &gt; Settings &gt; (Advanced) Privacy
           and disable "Prefetch page resources".
           If this does not resolve the issue, we recommend re-enabling this option