quickstep/res/drawable/gesture_tutorial_loop_gesture_left_edge.xml

<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:aapt="http://schemas.android.com/aapt">
    <target android:name="_R_G_L_0_G">
        <aapt:attr name="android:animation">
            <set android:ordering="together">
                <objectAnimator
                    android:duration="0"
                    android:propertyName="scaleY"
                    android:startOffset="0"
                    android:valueFrom="0"
                    android:valueTo="1"
                    android:valueType="floatType" />
            </set>
        </aapt:attr>
    </target>
    <target android:name="_R_G_L_0_G">
        <aapt:attr name="android:animation">
            <set android:ordering="together">
                <objectAnimator
                    android:duration="0"
                    android:propertyName="scaleY"
                    android:startOffset="783"
                    android:valueFrom="1"
                    android:valueTo="0"
                    android:valueType="floatType" />
            </set>
        </aapt:attr>
    </target>
    <target android:name="time_group">
        <aapt:attr name="android:animation">
            <set android:ordering="together">
                <objectAnimator
                    android:duration="2000"
                    android:propertyName="translateX"
                    android:startOffset="0"
                    android:valueFrom="0"
                    android:valueTo="1"
                    android:valueType="floatType" />
            </set>
        </aapt:attr>
    </target>
    <aapt:attr name="android:drawable">
        <vector
            android:width="412dp"
            android:height="892dp"
            android:viewportHeight="892"
            android:viewportWidth="412">
            <group android:name="_R_G">
                <group
                    android:name="_R_G_L_0_G"
                    android:translateX="206"
                    android:translateY="446" />
            </group>
            <group android:name="time_group" />
        </vector>
    </aapt:attr>
</animated-vector>