Detect force visible nav bar based on kids mode.

WM was changed to use NAV_BAR_KIDS_MODE instead of NAV_BAR_FORCE_VISIBLE, this needs to update to match.

Fix: 229580780
Test: manual.
Change-Id: I38fb23dcc85676593a3f8f0851676bc526802d2e
(cherry picked from commit c773d7cdc809eb6e86a19ccf94ac435c44b79e97)
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
index 95da118..dc2e3b6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java
@@ -147,7 +147,7 @@
         mIsUserSetupComplete = SettingsCache.INSTANCE.get(this).getValue(
                 Settings.Secure.getUriFor(Settings.Secure.USER_SETUP_COMPLETE), 0);
         mIsNavBarForceVisible = SettingsCache.INSTANCE.get(this).getValue(
-                Settings.Secure.getUriFor(Settings.Secure.NAV_BAR_FORCE_VISIBLE), 0);
+                Settings.Secure.getUriFor(Settings.Secure.NAV_BAR_KIDS_MODE), 0);
         mIsNavBarKidsMode = SettingsCache.INSTANCE.get(this).getValue(
                 Settings.Secure.getUriFor(Settings.Secure.NAV_BAR_KIDS_MODE), 0);