Messaging: Replace fragment with FragmentContainerView

* Following recommendation of AS
* Also add the missing newlines at the end - they should be there and a
  separate change doesn't make sense

Change-Id: I90ce1574910275458f51a151c8dcd6da49433504

res/layout/attachment_chooser_activity.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     Copyright (C) 2015 The Android Open Source Project
+    Copyright (C) 2025 The LineageOS Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -14,9 +15,9 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-<fragment
+<androidx.fragment.app.FragmentContainerView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    class="com.android.messaging.ui.attachmentchooser.AttachmentChooserFragment"
+    android:name="com.android.messaging.ui.attachmentchooser.AttachmentChooserFragment"
     android:id="@+id/attachment_chooser_fragment"
     android:layout_width="match_parent"
     android:layout_height="match_parent" />

res/layout/blocked_participants_activity.xml

@@ -15,9 +15,9 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-<fragment
+<androidx.fragment.app.FragmentContainerView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    class="com.android.messaging.ui.BlockedParticipantsFragment"
+    android:name="com.android.messaging.ui.BlockedParticipantsFragment"
     android:id="@+id/blocked_participants_fragment"
     android:theme="@style/Theme.MaterialComponents.Light.DarkActionBar"
     android:layout_width="fill_parent"

res/layout/conversation_list_activity.xml

@@ -15,9 +15,9 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-<fragment
+<androidx.fragment.app.FragmentContainerView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    class="com.android.messaging.ui.conversationlist.ConversationListFragment"
+    android:name="com.android.messaging.ui.conversationlist.ConversationListFragment"
     android:id="@+id/conversation_list_fragment"
     android:theme="@style/Theme.MaterialComponents.Light.DarkActionBar"
     android:layout_width="match_parent"

res/layout/people_and_options_activity.xml

@@ -15,9 +15,9 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-<fragment
+<androidx.fragment.app.FragmentContainerView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    class="com.android.messaging.ui.conversationsettings.PeopleAndOptionsFragment"
+    android:name="com.android.messaging.ui.conversationsettings.PeopleAndOptionsFragment"
     android:id="@+id/people_and_options_fragment"
     android:theme="@style/Theme.MaterialComponents.Light.DarkActionBar"
     android:layout_width="match_parent"

res/layout/vcard_detail_activity.xml

@@ -15,9 +15,9 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-<fragment
+<androidx.fragment.app.FragmentContainerView
     xmlns:android="http://schemas.android.com/apk/res/android"
-    class="com.android.messaging.ui.VCardDetailFragment"
+    android:name="com.android.messaging.ui.VCardDetailFragment"
     android:id="@+id/vcard_detail_fragment"
     android:theme="@style/Theme.MaterialComponents.Light.DarkActionBar"
     android:layout_width="match_parent"