Fix taskbar restarting after turning on workapps from taskbar.

Connect if we're not already connected

bug: 261638193
test: Manual - https://drive.google.com/file/d/1Hm2X5YFoccjDYQ5KPo72uHahFjN0WR6T/view?usp=sharing
Change-Id: I25020f13188fb0972f08dfcf96846524333cca34

packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java

diff --git a/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java b/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
index 019ca52..1e85d56 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
@@ -21,7 +21,6 @@
 import static android.view.MotionEvent.ACTION_DOWN;
 import static android.view.MotionEvent.ACTION_UP;
 import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON;
-
 import static com.android.internal.accessibility.common.ShortcutConstants.CHOOSER_PACKAGE_NAME;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SUPPORTS_WINDOW_CORNERS;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SYSUI_PROXY;
@@ -710,6 +709,7 @@
     }
 
     public void startConnectionToCurrentUser() {
+        Log.v(TAG_OPS, "startConnectionToCurrentUser: connection is restarted");
         if (mHandler.getLooper() != Looper.myLooper()) {
             mHandler.post(mConnectionRunnable);
         } else {

packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java
index 51c5183..cac4251 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationLockscreenUserManagerImpl.java
@@ -16,7 +16,6 @@
 package com.android.systemui.statusbar;
 
 import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED;
-
 import static com.android.systemui.DejankUtils.whitelistIpcs;
 
 import android.app.KeyguardManager;
@@ -145,7 +144,10 @@
                     break;
                 case Intent.ACTION_USER_UNLOCKED:
                     // Start the overview connection to the launcher service
-                    mOverviewProxyServiceLazy.get().startConnectionToCurrentUser();
+                    // Connect if user hasn't connected yet
+                    if (mOverviewProxyServiceLazy.get().getProxy() == null) {
+                        mOverviewProxyServiceLazy.get().startConnectionToCurrentUser();
+                    }
                     break;
                 case NOTIFICATION_UNLOCKED_BY_WORK_CHALLENGE_ACTION:
                     final IntentSender intentSender = intent.getParcelableExtra(