feat(A11yFeedback): Implements page ID to feedback bucket ID mapping

This change adds a new API to a Pixel overlay feature provider,
allowing Android to map page IDs to feedback bucket IDs.

Bug: 393980229
Test: Manual testing for Pixel and non-Pixel overlay in real device
Test: atest AccessibilitySettingsTest
            FeedbackManagerTest
Flag: com.android.server.accessibility.enable_low_vision_generic_feedback
Change-Id: I8a110b08816cac9c8a8e8c3e1218530fffb6f121

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

@@ -15,8 +15,6 @@
  */
 package com.android.settings.accessibility;
 
-import android.content.ComponentName;
-
 import androidx.annotation.Nullable;
 
 /** Default implementation of {@link AccessibilityFeedbackFeatureProvider}. */
@@ -25,7 +23,7 @@ public class AccessibilityFeedbackFeatureProviderImpl implements
 
     @Override
     @Nullable
-    public String getCategory(@Nullable ComponentName componentName) {
-        return "";
+    public String getCategory(int pageId) {
+        return null;
     }
 }