Bug 1796348 - Add notification delegate as a component in apps.

This adds notification delegate as a component in Fenix, Focus and Sample Browser.

app/src/main/java/org/mozilla/fenix/components/Components.kt

@@ -9,6 +9,7 @@ import android.app.Application
 import android.content.Context
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
+import androidx.core.app.NotificationManagerCompat
 import com.google.android.play.core.review.ReviewManagerFactory
 import mozilla.components.feature.addons.AddonManager
 import mozilla.components.feature.addons.amo.AddonCollectionProvider
@@ -16,6 +17,7 @@ import mozilla.components.feature.addons.migration.DefaultSupportedAddonsChecker
 import mozilla.components.feature.addons.update.DefaultAddonUpdater
 import mozilla.components.feature.autofill.AutofillConfiguration
 import mozilla.components.lib.publicsuffixlist.PublicSuffixList
+import mozilla.components.support.base.android.NotificationsDelegate
 import mozilla.components.support.base.worker.Frequency
 import org.mozilla.fenix.BuildConfig
 import org.mozilla.fenix.Config
@@ -88,6 +90,14 @@ class Components(private val context: Context) {
         )
     }
 
+    private val notificationManagerCompat = NotificationManagerCompat.from(context)
+
+    val notificationsDelegate: NotificationsDelegate by lazyMonitored {
+        NotificationsDelegate(
+            notificationManagerCompat,
+        )
+    }
+
     val intentProcessors by lazyMonitored {
         IntentProcessors(
             context,