Update asset for no search result image

Bug: 68863351
Test: visual
Change-Id: Ia4d411e5d7d1db8b321fdfde006a93c6ff52ecb3

res/drawable/empty_search_results.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2017 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="96dp"
+    android:height="96dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?android:attr/colorControlNormal">
+
+    <path
+        android:fillColor="#000000"
+        android:pathData="M15.5,14h-0.79l-0.28-0.27c1.2-1.4,1.82-3.31,1.48-5.34c-0.47-2.78-2.79-5-5.59-5.34c-4.23-0.52-7.79,3.04-7.27,7.27
+c0.34,2.8,2.56,5.12,5.34,5.59c2.03,0.34,3.94-0.28,5.34-1.48L14,14.71v0.79l5.2,5.19c0.41,0.41,1.07,0.41,1.48,0l0.01-0.01
+c0.41-0.41,0.41-1.07,0-1.48L15.5,14z M9.5,14C7.01,14,5,11.99,5,9.5S7.01,5,9.5,5S14,7.01,14,9.5S11.99,14,9.5,14z" />
+</vector>

res/layout/search_panel.xml

@@ -85,8 +85,8 @@
                 android:layout_height="?android:attr/actionBarSize"/>
 
             <ImageView
-                android:layout_height="160dp"
-                android:layout_width="160dp"
+                android:layout_height="wrap_content"
+                android:layout_width="wrap_content"
                 android:layout_gravity="center_horizontal"
                 android:src="@drawable/empty_search_results"/>