For #11153 - String for private mode scr shot warning

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

@@ -262,6 +262,8 @@
     <string name="preferences_open_links_in_a_private_tab">Open links in a private tab</string>
     <!-- Preference for allowing screenshots to be taken while in a private tab-->
     <string name="preferences_allow_screenshots_in_private_mode">Allow screenshots in private browsing</string>
+    <!-- Will inform the user of the risk of activating Allow screenshots in private browsing option -->
+    <string name="preferences_screenshots_in_private_mode_disclaimer">If allowed, private tabs will also be visible when multiple apps are open</string>
     <!-- Preference for adding private browsing shortcut -->
     <string name="preferences_add_private_browsing_shortcut">Add private browsing shortcut</string>
     <!-- Preference for accessibility -->

app/src/main/res/xml/private_browsing_preferences.xml

@@ -13,5 +13,6 @@
     <SwitchPreference
         android:defaultValue="false"
         android:key="@string/pref_key_allow_screenshots_in_private_mode"
+        android:summary="@string/preferences_screenshots_in_private_mode_disclaimer"
         android:title="@string/preferences_allow_screenshots_in_private_mode" />
 </PreferenceScreen>