Add unlock animation for foldables

Test: Unit tests added
Test: Manual tests on foldable device going through unlock on outer and inner screens
Bug: b/261584499

Change-Id: I9cdb717400c82e7a0bb4d58d6d25d8b794200af3

packages/SystemUI/src/com/android/systemui/keyguard/KeyguardUnlockAnimationController.kt

@@ -380,10 +380,7 @@ class KeyguardUnlockAnimationController @Inject constructor(
                 // If the launcher is underneath, but we're about to launch an activity, don't do
                 // the animations since they won't be visible.
                 !notificationShadeWindowController.isLaunchingActivity &&
-                launcherUnlockController != null &&
-                // Temporarily disable for foldables since foldable launcher has two first pages,
-                // which breaks the in-window animation.
-                !isFoldable(context)
+                launcherUnlockController != null
     }
 
     /**