Provide installed a11y services/activities from dynamicRawData for search

Bug: 354076686
Flag: com.android.settings.accessibility.fix_a11y_settings_search
Test: Search Project Relate and verify the item shows up in the search
result
Test: Search Talkback with keywords, verify the Talkback shows up in the
search result
Test: atest AccessibilitySettingsTest

Change-Id: I258ecb0928308b7cde30c12104408e11cc25ecd5

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

@@ -26,6 +26,7 @@ import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.core.content.ContextCompat;
 
 import com.android.settings.R;
@@ -101,6 +102,11 @@ public class AccessibilityActivityPreference extends RestrictedPreference {
         return mLabel;
     }
 
+    @NonNull
+    public ComponentName getComponentName() {
+        return mComponentName;
+    }
+
     private Drawable getA11yActivityIcon() {
         ActivityInfo activityInfo = mA11yShortcutInfo.getActivityInfo();
         Drawable serviceIcon;