Rename Indexable::getAllPreferenceControllers.

To getPreferenceControllers. "all" is redundant. Then internally, the
old getPreferenceControllers() is renamed to
createPreferenceControllers() to emphasize the controllers are created
from code (versus the ones created from xml).

Bug: 73668763
Test: robotest
Change-Id: Ifec46aefdc2a418031c8e152028b30bdcd396fc7

src/com/android/settings/language/LanguageAndInputSettings.java

@@ -21,7 +21,6 @@ import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.os.Bundle;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.speech.tts.TtsEngines;
@@ -188,7 +187,7 @@ public class LanguageAndInputSettings extends DashboardFragment {
                 }
 
                 @Override
-                public List<AbstractPreferenceController> getPreferenceControllers(
+                public List<AbstractPreferenceController> createPreferenceControllers(
                         Context context) {
                     return buildPreferenceControllers(context, null);
                 }