Merge cherrypicks of ['googleplex-android-review.googlesource.com/21050546'] into tm-qpr2-release.

Change-Id: I84b14c4fdd8b6fdf8b3164aefb2af319e7bf3b85
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
index 9e25555..d341531 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationDeviceState.java
@@ -43,6 +43,7 @@
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_QUICK_SETTINGS_EXPANDED;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_SCREEN_PINNING;
+import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED;
 
 import android.app.ActivityTaskManager;
@@ -381,6 +382,7 @@
                 || mRotationTouchHelper.isTaskListFrozen();
         return canStartWithNavHidden
                 && (mSystemUiStateFlags & SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED) == 0
+                && (mSystemUiStateFlags & SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING) == 0
                 && (mSystemUiStateFlags & SYSUI_STATE_QUICK_SETTINGS_EXPANDED) == 0
                 && (mSystemUiStateFlags & SYSUI_STATE_MAGNIFICATION_OVERLAP) == 0
                 && ((mSystemUiStateFlags & SYSUI_STATE_HOME_DISABLED) == 0