Revert "Enable taskbar in overview by default"

This reverts commit 517131ae1c634830bffe0e3cf4ce9ff5f03e8efe.

Reason for revert: Reverting until b/251747761 is addressed
Bug: 245320601

Change-Id: Ic5ebc071f092c8f91ff879a59d89c3be4326c90e
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 030ac7e..3a530af 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -241,7 +241,7 @@
             "Enables One Search box in Taskbar All Apps.");
 
     public static final BooleanFlag ENABLE_TASKBAR_IN_OVERVIEW = getDebugFlag(
-            "ENABLE_TASKBAR_IN_OVERVIEW", true,
+            "ENABLE_TASKBAR_IN_OVERVIEW", false,
             "Enables accessing the system Taskbar in overview.");
 
     public static final BooleanFlag ENABLE_SPLIT_FROM_WORKSPACE = getDebugFlag(
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 677960d..3545c27 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -781,7 +781,7 @@
                     waitUntilLauncherObjectGone(APPS_RES_ID);
                     waitUntilLauncherObjectGone(WORKSPACE_RES_ID);
                     waitUntilLauncherObjectGone(WIDGETS_RES_ID);
-                    checkTaskbarVisibility();
+                    waitUntilLauncherObjectGone(TASKBAR_RES_ID);
                     waitUntilLauncherObjectGone(SPLIT_PLACEHOLDER_RES_ID);
 
                     return waitForLauncherObject(OVERVIEW_RES_ID);
@@ -790,7 +790,7 @@
                     waitUntilLauncherObjectGone(APPS_RES_ID);
                     waitUntilLauncherObjectGone(WORKSPACE_RES_ID);
                     waitUntilLauncherObjectGone(WIDGETS_RES_ID);
-                    checkTaskbarVisibility();
+                    waitUntilLauncherObjectGone(TASKBAR_RES_ID);
 
                     waitForLauncherObject(SPLIT_PLACEHOLDER_RES_ID);
                     return waitForLauncherObject(OVERVIEW_RES_ID);
@@ -799,7 +799,7 @@
                     waitUntilLauncherObjectGone(APPS_RES_ID);
                     waitUntilLauncherObjectGone(WORKSPACE_RES_ID);
                     waitUntilLauncherObjectGone(WIDGETS_RES_ID);
-                    checkTaskbarVisibility();
+                    waitUntilLauncherObjectGone(TASKBAR_RES_ID);
                     waitUntilLauncherObjectGone(SPLIT_PLACEHOLDER_RES_ID);
 
                     return waitForFallbackLauncherObject(OVERVIEW_RES_ID);
@@ -811,7 +811,14 @@
                     waitUntilLauncherObjectGone(WIDGETS_RES_ID);
                     waitUntilLauncherObjectGone(SPLIT_PLACEHOLDER_RES_ID);
 
-                    checkTaskbarVisibility();
+                    if (mIgnoreTaskbarVisibility) {
+                        return null;
+                    }
+                    if (isTablet() && !isFallbackOverview()) {
+                        waitForLauncherObject(TASKBAR_RES_ID);
+                    } else {
+                        waitUntilLauncherObjectGone(TASKBAR_RES_ID);
+                    }
                     return null;
                 }
                 default:
@@ -821,18 +828,6 @@
         }
     }
 
-    private void checkTaskbarVisibility() {
-        if (mIgnoreTaskbarVisibility) {
-            return;
-        }
-
-        if (isTablet() && !isFallbackOverview()) {
-            waitForLauncherObject(TASKBAR_RES_ID);
-        } else {
-            waitUntilLauncherObjectGone(TASKBAR_RES_ID);
-        }
-    }
-
     public void waitForLauncherInitialized() {
         for (int i = 0; i < 100; ++i) {
             if (getTestInfo(