Fix 3-button showing up briefly on the AllSet page in setup

Fixes: 338883705
Test: Go through setup. Make sure the 3-button doesn't show up anytime during setup
Change-Id: Idd62486465d608235abe61b994718311c72cb20c
diff --git a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
index 3654e5f..abb763a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/NavbarButtonsViewController.java
@@ -376,6 +376,7 @@
                             (flags & FLAG_ONLY_BACK_FOR_BOUNCER_VISIBLE) != 0 ||
                             (flags & FLAG_KEYGUARD_OCCLUDED) != 0;
                     return (flags & FLAG_DISABLE_BACK) == 0
+                            && (!mContext.isGestureNav() || !mContext.isUserSetupComplete())
                             && ((flags & FLAG_KEYGUARD_VISIBLE) == 0 || showingOnKeyguard);
                 }));
         // Hide back button in SUW if keyboard is showing (IME draws its own back).
@@ -406,8 +407,8 @@
         mPropertyHolders.add(
                 new StatePropertyHolder(mHomeButtonAlpha.get(
                         ALPHA_INDEX_KEYGUARD_OR_DISABLE),
-                flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0 &&
-                        (flags & FLAG_DISABLE_HOME) == 0));
+                        flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0
+                                && (flags & FLAG_DISABLE_HOME) == 0 && !mContext.isGestureNav()));
 
         // Recents button
         mRecentsButton = addButton(R.drawable.ic_sysbar_recent, BUTTON_RECENTS,
@@ -425,7 +426,7 @@
         });
         mPropertyHolders.add(new StatePropertyHolder(mRecentsButton,
                 flags -> (flags & FLAG_KEYGUARD_VISIBLE) == 0 && (flags & FLAG_DISABLE_RECENTS) == 0
-                        && !mContext.isNavBarKidsModeActive()));
+                        && !mContext.isNavBarKidsModeActive() && !mContext.isGestureNav()));
 
         // A11y button
         mA11yButton = addButton(R.drawable.ic_sysbar_accessibility_button, BUTTON_A11Y,