Merge "Cache call to WM#hasNavigationBar" into main

import android.provider.Settings;

import android.util.Log;

import android.util.SparseArray;

import android.util.SparseBooleanArray;

import android.view.Display;

import android.view.IWindowManager;

import android.view.View;

    @VisibleForTesting

    SparseArray<NavigationBar> mNavigationBars = new SparseArray<>();

    /** Local cache for {@link IWindowManager#hasNavigationBar(int)}. */

    private SparseBooleanArray mHasNavBar = new SparseBooleanArray();

    // Tracks config changes that will actually recreate the nav bar

    private final InterestingConfigChanges mConfigChanges = new InterestingConfigChanges(

            ActivityInfo.CONFIG_FONT_SCALE

    }

    private boolean shouldCreateNavBarAndTaskBar(int displayId) {

        if (mHasNavBar.indexOfKey(displayId) > -1) {

            return mHasNavBar.get(displayId);

        }

        final IWindowManager wms = WindowManagerGlobal.getWindowManagerService();

        try {

            return wms.hasNavigationBar(displayId);

            boolean hasNavigationBar = wms.hasNavigationBar(displayId);

            mHasNavBar.put(displayId, hasNavigationBar);

            return hasNavigationBar;

        } catch (RemoteException e) {

            // Cannot get wms, just return false with warning message.

            Log.w(TAG, "Cannot get WindowManager.");