Merge "Show one line of footer content change in Accessibility button page when the user is in gesture nav." into sc-dev am: b2d7b6e5de

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/15056863

Change-Id: I8f709c24b3ef6799ee770286f64850957ddc48e3

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

@@ -34,4 +34,11 @@ public class AccessibilityButtonFooterPreferenceController extends
     protected String getLabelName() {
         return mContext.getString(R.string.accessibility_button_title);
     }
+
+    @Override
+    public CharSequence getSummary() {
+        return AccessibilityUtil.isGestureNavigateEnabled(mContext)
+                ? mContext.getString(R.string.accessibility_button_gesture_description)
+                : mContext.getString(R.string.accessibility_button_description);
+    }
 }