Code cleanup and inlining for ArcNotificationPresenter

make NotifStackController injectable

Change-Id: I445afea5563a007ed002be55ab4340792081d69e
Test: Tests pass
Bug: 249178891

packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/render/NotifStackController.kt

@@ -16,6 +16,8 @@
 
 package com.android.systemui.statusbar.notification.collection.render
 
+import javax.inject.Inject
+
 /** An interface by which the pipeline can make updates to the notification root view. */
 interface NotifStackController {
     /** Provides stats about the list of notifications attached to the shade */
@@ -42,6 +44,6 @@ data class NotifStats(
  * methods, rather than forcing us to add no-op implementations in their implementation every time
  * a method is added.
  */
-open class DefaultNotifStackController : NotifStackController {
+open class DefaultNotifStackController @Inject constructor() : NotifStackController {
     override fun setNotifStats(stats: NotifStats) {}
 }