Support apply override feature in SupportPreferenceController

- Let SupportPreferenceController call SupportFeatureProvider#applyOverrides to override Support preference.

Bug: 397691102
Change-Id: I16fefe3058d5f3f318ed4a5aa6aa4868012be505
Test: MANUAL
Flag: EXEMPT no-op new APIs for partner override

src/com/android/settings/overlay/SupportFeatureProvider.java

@@ -17,6 +17,10 @@
 package com.android.settings.overlay;
 
 import android.app.Activity;
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.preference.Preference;
 
 /**
  * Feature provider for support tab.
@@ -29,4 +33,13 @@ public interface SupportFeatureProvider {
      * @param activity Calling activity.
      */
     void startSupport(Activity activity);
+
+    /**
+     * Applies overrides to the support preference, if needed.
+     *
+     * @param context Preference controller context.
+     * @param pref The support preference.
+     */
+    default void applyOverrides(@NonNull Context context, @NonNull Preference pref) {
+    }
 }

src/com/android/settings/support/SupportPreferenceController.java

@@ -21,6 +21,7 @@ import android.content.Context;
 import android.text.TextUtils;
 
 import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.overlay.FeatureFactory;
@@ -56,4 +57,13 @@ public class SupportPreferenceController extends BasePreferenceController {
         return true;
 
     }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        Preference pref = screen.findPreference(mPreferenceKey);
+        if (pref != null && mSupportFeatureProvider != null) {
+            mSupportFeatureProvider.applyOverrides(mContext, pref);
+        }
+    }
 }