chrome/android/java/res/drawable/ic_collections_grey.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2017 The Chromium Authors. All rights reserved.
     Use of this source code is governed by a BSD-style license that can be
     found in the LICENSE file. -->

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        tools:targetApi="21"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="@color/default_icon_color"
        android:pathData="M22,16L22,4c0,-1.1 -0.9,-2 -2,-2L8,2c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2zM11,12l2.03,2.71L16,11l4,5L8,16l3,-4zM2,6v14c0,1.1 0.9,2 2,2h14v-2L4,20L4,6L2,6z"/>
</vector>