For mozilla-mobile#21611: Add jump back in contextual hint text

app/src/main/res/values/strings.xml

@@ -276,6 +276,9 @@
     <!-- Onboarding home screen dialog description text for the history section. -->
     <string name="onboarding_home_screen_section_useful_history_description_2">Revisit your latest searches from your homepage and tabs.</string>
 
+    <!-- Onboarding home screen popup dialog, shown on top of the Jump back in section. Firefox is intentionally hardcoded. -->
+    <string name="onboarding_home_screen_jump_back_contextual_hint" tools:ignore="UnusedResources">Your personalized Firefox homepage now makes it easier to pick up where you left off. Find your recent tabs, bookmarks, and search results.</string>
+
     <!-- Search Widget -->
     <!-- Content description for searching with a widget. Firefox is intentionally hardcoded.-->
     <string name="search_widget_content_description">Open a new Firefox tab</string>