For #21776 - 'protected' visibility is effectively 'private' in a final class

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -169,7 +169,7 @@ class HomeFragment : Fragment() {
 
     private lateinit var homeFragmentStore: HomeFragmentStore
     private var _sessionControlInteractor: SessionControlInteractor? = null
-    protected val sessionControlInteractor: SessionControlInteractor
+    private val sessionControlInteractor: SessionControlInteractor
         get() = _sessionControlInteractor!!
 
     private var sessionControlView: SessionControlView? = null

app/src/main/java/org/mozilla/fenix/library/history/HistoryFragment.kt

@@ -57,7 +57,7 @@ class HistoryFragment : LibraryPageFragment<History>(), UserInteractionHandler {
     private var pendingHistoryDeletionJob: (suspend () -> Unit)? = null
 
     private var _historyView: HistoryView? = null
-    protected val historyView: HistoryView
+    private val historyView: HistoryView
         get() = _historyView!!
     private var _binding: FragmentHistoryBinding? = null
     private val binding get() = _binding!!

app/src/main/java/org/mozilla/fenix/library/recentlyclosed/RecentlyClosedFragment.kt

@@ -35,7 +35,7 @@ import org.mozilla.fenix.library.LibraryPageFragment
 class RecentlyClosedFragment : LibraryPageFragment<RecoverableTab>(), UserInteractionHandler {
     private lateinit var recentlyClosedFragmentStore: RecentlyClosedFragmentStore
     private var _recentlyClosedFragmentView: RecentlyClosedFragmentView? = null
-    protected val recentlyClosedFragmentView: RecentlyClosedFragmentView
+    private val recentlyClosedFragmentView: RecentlyClosedFragmentView
         get() = _recentlyClosedFragmentView!!
 
     private lateinit var recentlyClosedInteractor: RecentlyClosedFragmentInteractor