[Overview Actions] Update the navigation mode immediately when switch.

This would fix the issue that overview actions UI visibility was not set correctly.

Test: local
Bug: 152047880
Change-Id: Ia335c5c8947b39e580403090f461f87e78645af1
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index 65763d4..af63a25 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -161,6 +161,8 @@
     @Override
     protected void setupViews() {
         super.setupViews();
+
+        SysUINavigationMode.INSTANCE.get(this).updateMode();
         mActionsView = findViewById(R.id.overview_actions_view);
         ((RecentsView) getOverviewPanel()).init(mActionsView);
 
diff --git a/quickstep/src/com/android/quickstep/SysUINavigationMode.java b/quickstep/src/com/android/quickstep/SysUINavigationMode.java
index 6a10b37..c715c93 100644
--- a/quickstep/src/com/android/quickstep/SysUINavigationMode.java
+++ b/quickstep/src/com/android/quickstep/SysUINavigationMode.java
@@ -74,15 +74,20 @@
         mContext.registerReceiver(new BroadcastReceiver() {
             @Override
             public void onReceive(Context context, Intent intent) {
-                Mode oldMode = mMode;
-                initializeMode();
-                if (mMode != oldMode) {
-                    dispatchModeChange();
-                }
+                updateMode();
             }
         }, getPackageFilter("android", ACTION_OVERLAY_CHANGED));
     }
 
+    /** Updates navigation mode when needed. */
+    public void updateMode() {
+        Mode oldMode = mMode;
+        initializeMode();
+        if (mMode != oldMode) {
+            dispatchModeChange();
+        }
+    }
+
     private void initializeMode() {
         int modeInt = getSystemIntegerRes(mContext, NAV_BAR_INTERACTION_MODE_RES_NAME);
         for(Mode m : Mode.values()) {