Replacing png asset with vector drawable

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

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<gradient

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

    android:startX="158.5"

    android:startY="141.5"

    android:endX="196.0"

    android:endY="206.5"

    android:type="linear" >

    <item android:offset="0" android:color="#E1E1E1" />

    <item android:offset="0.3317" android:color="#E1E1E1" />

    <item android:offset="0.493" android:color="#C1E5E5E5" />

    <item android:offset="1" android:color="#00EEEEEE" />

</gradient>

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