Remove legacy QS background

<?xml version="1.0" encoding="utf-8"?>

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<inset xmlns:android="http://schemas.android.com/apk/res/android">

    <shape>

        <solid android:color="?attr/underSurfaceColor"/>

        <corners android:radius="@dimen/notification_corner_radius" />

    </shape>

</inset>

 No newline at end of file

    android:clipToPadding="false"

    android:clipChildren="false" >

    <!-- Main QS background -->

    <View

        android:id="@+id/quick_settings_background"

        android:layout_width="match_parent"

        android:layout_height="0dp"

        android:background="@drawable/qs_background_primary" />

    <com.android.systemui.qs.NonInterceptingScrollView

        android:id="@+id/expanded_qs_scroll_view"

        android:layout_width="match_parent"

    <bool name="flag_notification_pipeline2_rendering">false</bool>

    <bool name="flag_notif_updates">true</bool>

    <bool name="flag_shade_is_opaque">true</bool>

    <bool name="flag_monet">false</bool>

    <!-- b/171917882 -->

    private int mFancyClippingBottom;

    private final float[] mFancyClippingRadii = new float[] {0, 0, 0, 0, 0, 0, 0, 0};

    private  final Path mFancyClippingPath = new Path();

    private int mBackgroundBottom = -1;

    private int mBackgroundBottom = 0;

    private int mHeightOverride = -1;

    private View mQSDetail;

    private QuickStatusBarHeader mHeader;

    private QSCustomizer mQSCustomizer;

    private NonInterceptingScrollView mQSPanelContainer;

    private View mBackground;

    private int mSideMargins;

    private boolean mQsDisabled;

    private boolean mBackgroundVisible;

    private int mContentPadding = -1;

    private boolean mAnimateBottomOnNextLayout;

    private int mNavBarInset = 0;

        mQSDetail = findViewById(R.id.qs_detail);

        mHeader = findViewById(R.id.header);

        mQSCustomizer = findViewById(R.id.qs_customize);

        mBackground = findViewById(R.id.quick_settings_background);

        mHeader.getHeaderQsPanel().setMediaVisibilityChangedListener((visible) -> {

            if (mHeader.getHeaderQsPanel().isShown()) {

                mAnimateBottomOnNextLayout = true;

        // We're saving the bottom separately since otherwise the bottom would be overridden in

        // the layout and the animation wouldn't properly start at the old position.

        mBackgroundBottom = value;

        mBackground.setBottom(value);

    }

    private float getBackgroundBottom() {

        if (mBackgroundBottom == -1) {

            return mBackground.getBottom();

        }

        return mBackgroundBottom;

    }

        return true;

    }

    /**

     * If QS should have a solid or transparent background.

     */

    public void setBackgroundVisible(boolean visible) {

        mBackgroundVisible = visible;

        updateBackgroundVisibility();

    }

    @Override

    public WindowInsets onApplyWindowInsets(WindowInsets insets) {

        mNavBarInset = insets.getInsets(WindowInsets.Type.navigationBars()).bottom;

        final boolean disabled = (state2 & DISABLE2_QUICK_SETTINGS) != 0;

        if (disabled == mQsDisabled) return;

        mQsDisabled = disabled;

        updateBackgroundVisibility();

    }

    private void updateBackgroundVisibility() {

        mBackground.setVisibility(mQsDisabled || !mBackgroundVisible ? GONE : VISIBLE);

    }

    void updateResources(QSPanelController qsPanelController,

        mQSDetail.setBottom(getTop() + scrollBottom);

        int qsDetailBottomMargin = ((MarginLayoutParams) mQSDetail.getLayoutParams()).bottomMargin;

        mQSDetail.setBottom(getTop() + scrollBottom - qsDetailBottomMargin);

        mBackground.setTop(mQSPanelContainer.getTop());

        updateBackgroundBottom(scrollBottom, animate);

    }

        mQSContainerImplController = qsFragmentComponent.getQSContainerImplController();

        mQSContainerImplController.init();

        mContainer = mQSContainerImplController.getView();

        mContainer.setBackgroundVisible(!mFeatureFlags.isShadeOpaque());

        mQSDetail.setQsPanel(mQSPanelController, mHeader, mFooter);

        mQSAnimator = qsFragmentComponent.getQSAnimator();