Refactor force visible nav bar into new secure setting.

Decouples force visible from kids mode setting.

Bug: 217668440
Test: manual
Change-Id: Ia8a2b30eab7633e3b686c9afebd7e683ef984deb

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

@@ -128,6 +128,7 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
 
     private final boolean mIsSafeModeEnabled;
     private final boolean mIsUserSetupComplete;
+    private final boolean mIsNavBarForceVisible;
     private final boolean mIsNavBarKidsMode;
     private boolean mIsDestroyed = false;
     // The flag to know if the window is excluded from magnification region computation.
@@ -150,6 +151,8 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
                 () -> getPackageManager().isSafeMode());
         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);
         mIsNavBarKidsMode = SettingsCache.INSTANCE.get(this).getValue(
                 Settings.Secure.getUriFor(Settings.Secure.NAV_BAR_KIDS_MODE), 0);
 
@@ -732,6 +735,10 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
         return mIsNavBarKidsMode && isThreeButtonNav();
     }
 
+    protected boolean isNavBarForceVisible() {
+        return mIsNavBarForceVisible;
+    }
+
     /**
      * Called when we determine the touchable region.
      *

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

@@ -71,7 +71,7 @@ public class TaskbarForceVisibleImmersiveController implements TouchController {
     /** Update values tracked via sysui flags. */
     public void updateSysuiFlags(int sysuiFlags) {
         mIsImmersiveMode = (sysuiFlags & SYSUI_STATE_IMMERSIVE_MODE) != 0;
-        if (mContext.isNavBarKidsModeActive()) {
+        if (mContext.isNavBarForceVisible()) {
             if (mIsImmersiveMode) {
                 startIconDimming();
             } else {
@@ -113,7 +113,7 @@ public class TaskbarForceVisibleImmersiveController implements TouchController {
      * Returns whether the taskbar is always visible in immersive mode.
      */
     private boolean isNavbarShownInImmersiveMode() {
-        return mIsImmersiveMode && mContext.isNavBarKidsModeActive();
+        return mIsImmersiveMode && mContext.isNavBarForceVisible();
     }
 
     private void updateIconDimmingAlpha() {