Migrate ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT to launcher.aconfig

Flag: com.android.launcher3.enable_all_apps_button_in_hotseat
Test: N/A
Bug: 270393897
Change-Id: Ib62a2f46a440d8f0d3f569c09c4f8754715db4ee

aconfig/launcher.aconfig

@@ -405,3 +405,10 @@ flag {
     description: "Show an 'Undo' snackbar when users dismiss a predicted hotseat item"
     bug: "270394476"
 }
+
+flag {
+    name: "enable_all_apps_button_in_hotseat"
+    namespace: "launcher"
+    description: "Enables displaying the all apps button in the hotseat."
+    bug: "270393897"
+}

quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java

@@ -1695,7 +1695,7 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
                 duration);
 
         View allAppsButton = mControllers.taskbarViewController.getAllAppsButtonView();
-        if (allAppsButton != null && !FeatureFlags.ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get()) {
+        if (allAppsButton != null && !FeatureFlags.enableAllAppsButtonInHotseat()) {
             ValueAnimator alphaOverride = ValueAnimator.ofFloat(0, 1);
             alphaOverride.setDuration(duration);
             alphaOverride.addUpdateListener(a -> {

quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java

@@ -837,7 +837,7 @@ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbar
                 // plays iconAlignment to 1 really fast, therefore moving the fading towards the end
                 // to avoid icons disappearing rather than fading out visually.
                 setter.setViewAlpha(child, 0, Interpolators.clampToProgress(LINEAR, 0.8f, 1f));
-            } else if ((isAllAppsButton && !FeatureFlags.ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get())
+            } else if ((isAllAppsButton && !FeatureFlags.enableAllAppsButtonInHotseat())
                     || (isTaskbarDividerView && enableTaskbarPinning())
                     || (isRecentTask && !isRecentsInHotseat)) {
                 if (!isToHome

src/com/android/launcher3/config/FeatureFlags.java

@@ -257,10 +257,15 @@ public final class FeatureFlags {
     }
 
     // TODO(Block 29): Clean up flags
+    // Aconfig migration complete for ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.
     public static final BooleanFlag ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT = getDebugFlag(270393897,
             "ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT", DISABLED,
             "Enables displaying the all apps button in the hotseat.");
 
+    public static boolean enableAllAppsButtonInHotseat() {
+        return ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get() || Flags.enableAllAppsButtonInHotseat();
+    }
+
     // TODO(Block 30): Clean up flags
     public static final BooleanFlag USE_SEARCH_REQUEST_TIMEOUT_OVERRIDES = getDebugFlag(270395010,
             "USE_SEARCH_REQUEST_TIMEOUT_OVERRIDES", DISABLED,