packages/SystemUI/res/interpolator/ic_signal_workmode_enable_animation_interpolator_3.xml

<?xml version="1.0" encoding="utf-8"?>
<pathInterpolator
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:pathData="M 0.0,0.0 c 0.4,0.4 0.2,0.2 1.0,1.0" />