Decouple taskbar background from overveiw scrim if taskbar is in overview

- Removed all forceHideBackground calls if taskbar would be in overview
- Make overview scrim transparent regardless of stash state if taskbar would be in overview

Fix: 234139692
Test: Go to overview from app with ENABLE_TASKBAR_IN_OVERVIEW on/off and taskbar stashed/unstashed
Change-Id: I29e811cb93894e6c9e7a75c0ea493719f15eeccb
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 9a1ed4d..d6d31c4 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -98,6 +98,7 @@
 import com.android.launcher3.LauncherAnimationRunner.RemoteAnimationFactory;
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorListeners;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.icons.FastBitmapDrawable;
 import com.android.launcher3.shortcuts.DeepShortcutView;
@@ -551,7 +552,8 @@
 
             final boolean scrimEnabled = ENABLE_SCRIM_FOR_APP_LAUNCH.get();
             if (scrimEnabled) {
-                boolean useTaskbarColor = mDeviceProfile.isTaskbarPresentInApps;
+                boolean useTaskbarColor = mDeviceProfile.isTaskbarPresentInApps
+                        && !FeatureFlags.ENABLE_TASKBAR_IN_OVERVIEW.get();
                 int scrimColor = useTaskbarColor
                         ? mLauncher.getResources().getColor(R.color.taskbar_background)
                         : Themes.getAttrColor(mLauncher, R.attr.overviewScrimColor);
diff --git a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
index b9b4fc3..fefaaf0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/LauncherTaskbarUIController.java
@@ -293,8 +293,6 @@
     @Override
     public void setSystemGestureInProgress(boolean inProgress) {
         super.setSystemGestureInProgress(inProgress);
-        // TODO(b/250645563): Don't show round corners when leaving in-app state, and remove
-        // forceHideBackground call entirely.
         if (!FeatureFlags.ENABLE_TASKBAR_IN_OVERVIEW.get()) {
             // Launcher's ScrimView will draw the background throughout the gesture. But once the
             // gesture ends, start drawing taskbar's background again since launcher might stop
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
index 4150d40..733c6a8 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/BackgroundAppState.java
@@ -26,6 +26,7 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.allapps.AllAppsTransitionController;
+import com.android.launcher3.config.FeatureFlags;
 import com.android.quickstep.util.LayoutUtils;
 import com.android.quickstep.views.RecentsView;
 
@@ -96,7 +97,7 @@
     @Override
     public int getWorkspaceScrimColor(Launcher launcher) {
         DeviceProfile dp = launcher.getDeviceProfile();
-        if (dp.isTaskbarPresentInApps) {
+        if (dp.isTaskbarPresentInApps && !FeatureFlags.ENABLE_TASKBAR_IN_OVERVIEW.get()) {
             return launcher.getColor(R.color.taskbar_background);
         }
         return Color.TRANSPARENT;