Fix flickering 'about' section in group recipient preferences.

Gotta disable those pesky layout animations.

Fixes #9092

src/org/thoughtcrime/securesms/RecipientPreferenceActivity.java

@@ -28,6 +28,8 @@
 import androidx.preference.Preference;
 import androidx.preference.PreferenceCategory;
 import androidx.appcompat.widget.Toolbar;
+import androidx.recyclerview.widget.RecyclerView;
+
 import android.telephony.PhoneNumberUtils;
 
 import org.thoughtcrime.securesms.components.SwitchPreferenceCompat;
@@ -40,8 +42,10 @@
 import org.thoughtcrime.securesms.jobs.RotateProfileKeyJob;
 import org.thoughtcrime.securesms.logging.Log;
 import android.util.Pair;
+import android.view.LayoutInflater;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.ImageView;
 import android.widget.TextView;
@@ -353,6 +357,14 @@ public void onActivityResult(int requestCode, int resultCode, Intent data) {
       }
     }
 
+    @Override
+    public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
+      RecyclerView recyclerView = super.onCreateRecyclerView(inflater, parent, savedInstanceState);
+      recyclerView.setItemAnimator(null);
+      recyclerView.setLayoutAnimation(null);
+      return recyclerView;
+    }
+
     private void initializeRecipients() {
       this.recipient = Recipient.live(getArguments().getParcelable(RECIPIENT_ID));
       this.recipient.observe(this, this::setSummaries);