Merge "Use immutable window decor Configuration in RelayoutParams" into main

        mRelayoutParams.mCaptionHeightId = getCaptionHeightId();

        mRelayoutParams.mShadowRadiusId = shadowRadiusID;

        mRelayoutParams.mApplyStartTransactionOnDraw = applyStartTransactionOnDraw;

        mRelayoutParams.mWindowDecorConfig = DesktopTasksController.isDesktopDensityOverrideSet()

                ? mContext.getResources().getConfiguration() // Use system context

                : mTaskInfo.configuration; // Use task configuration

        // The configuration used to lay out the window decoration. The system context's config is

        // used when the task density has been overridden to a custom density so that the resources

        // and views of the decoration aren't affected and match the rest of the System UI, if not

        // then just use the task's configuration. A copy is made instead of using the original

        // reference so that the configuration isn't mutated on config changes and diff checks can

        // be made in WindowDecoration#relayout using the pre/post-relayout configuration.

        // See b/301119301.

        // TODO(b/301119301): consider moving the config data needed for diffs to relayout params

        // instead of using a whole Configuration as a parameter.

        final Configuration windowDecorConfig = new Configuration();

        windowDecorConfig.setTo(DesktopTasksController.isDesktopDensityOverrideSet()

                ? mContext.getResources().getConfiguration() // Use system context.

                : mTaskInfo.configuration); // Use task configuration.

        mRelayoutParams.mWindowDecorConfig = windowDecorConfig;

        mRelayoutParams.mCornerRadius =

                (int) ScreenDecorationsUtils.getWindowCornerRadius(mContext);

        final int oldDensityDpi = mWindowDecorConfig.densityDpi;

        mWindowDecorConfig = params.mWindowDecorConfig != null ? params.mWindowDecorConfig

                : mTaskInfo.getConfiguration();

        if (oldDensityDpi != mWindowDecorConfig.densityDpi

        final int newDensityDpi = mWindowDecorConfig.densityDpi;

        if (oldDensityDpi != newDensityDpi

                || mDisplay == null

                || mDisplay.getDisplayId() != mTaskInfo.displayId

                || oldLayoutResId != mLayoutResId) {