Merge "Bring back Keyguard CANNED_UNLOCK_START_DELAY wait" into udc-dev am: c42b01e3e2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23377876

Change-Id: I31dc343a5c01f42b45bdc832b1389998cadbe777
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

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

@@ -668,8 +668,24 @@ class KeyguardUnlockAnimationController @Inject constructor(
             lockscreenSmartspace?.visibility = View.INVISIBLE
         }
 
-        // Start an animation for the wallpaper, which will finish keyguard exit when it completes.
+        // As soon as the shade has animated out of the way, start the canned unlock animation,
-        fadeInWallpaper()
+        // which will finish keyguard exit when it completes. The in-window animations in the
+        // Launcher window will end on their own.
+        handler.postDelayed({
+            if (keyguardViewMediator.get().isShowingAndNotOccluded &&
+                !keyguardStateController.isKeyguardGoingAway) {
+                    Log.e(TAG, "Finish keyguard exit animation delayed Runnable ran, but we are " +
+                            "showing and not going away.")
+                return@postDelayed
+            }
+
+            if (wallpaperTargets != null) {
+              fadeInWallpaper()
+            } else {
+                keyguardViewMediator.get().exitKeyguardAndFinishSurfaceBehindRemoteAnimation(
+                    false /* cancelled */)
+            }
+        }, CANNED_UNLOCK_START_DELAY)
     }
 
     /**