Use standard refresh icon for action bar spinner

app/res/drawable/actionbar_spinner.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2013 GitHub Inc.
+
+  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.
+-->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
+
+  <item>
+    <rotate
+      android:drawable="@drawable/action_refresh"
+      android:fromDegrees="0"
+      android:interpolator="@android:anim/linear_interpolator"
+      android:pivotX="50%"
+      android:pivotY="50%"
+      android:toDegrees="360" />
+  </item>
+
+</layer-list>

app/res/values/theme.xml

@@ -30,9 +30,8 @@
     </style>
 
     <style name="IndeterminateProgress" parent="@android:style/Widget.ProgressBar">
-        <item name="android:indeterminateDrawable">@drawable/spinner</item>
-        <item name="android:minWidth">26dp</item>
-        <item name="android:maxWidth">26dp</item>
+        <item name="android:indeterminateDrawable">@drawable/actionbar_spinner</item>
+        <item name="android:minWidth">16dp</item>
     </style>
 
 </resources>