AppBar Scrolling with Flexible Space and content overlapping

layout.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    android:orientation="vertical">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?attr/colorPrimary">

        <android.support.design.widget.CollapsingToolbarLayout
            android:layout_width="match_parent"
            android:layout_height="172dp"
            app:contentScrim="?attr/colorPrimary"
            app:expandedTitleTextAppearance="@style/TextAppearance.AppCompat.Title"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            app:titleEnabled="false">

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>
        </android.support.design.widget.CollapsingToolbarLayout>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.widget.NestedScrollView
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        app:behavior_overlapTop="100dp"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="16dp">

            <android.support.v7.widget.CardView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="10dp">

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:padding="10dp"
                    android:text="The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again. The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again. The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again. The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again.The flexible space shrinks until only the toolbar remains. The title shrinks to 20sp in the navigation bar. When scrolling to the top of the page, the flexible space and the title grow into place again." />
            </android.support.v7.widget.CardView>
        </LinearLayout>
    </android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>