Update R acessibility assets and strings (2/n)

- Temporary-use template summary by shortcut state

Bug: 148837311
Test: Manual test
Change-Id: Ia720b8f3f317bb1874d6758ebc4fbf4145d0c217

src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java

@@ -624,4 +624,17 @@ public class ToggleScreenMagnificationPreferenceFragment extends
         }
         return shortcutTypes;
     }
+
+    /**
+     * Gets the service summary of magnification.
+     *
+     * @param context The current context.
+     */
+    public static CharSequence getServiceSummary(Context context) {
+        // Get the user shortcut type from settings provider.
+        final int uerShortcutType = getUserShortcutTypeFromSettings(context);
+        return (uerShortcutType != AccessibilityUtil.UserShortcutType.EMPTY)
+                ? context.getText(R.string.accessibility_summary_shortcut_enabled)
+                : context.getText(R.string.accessibility_summary_shortcut_disabled);
+    }
 }