Replace default user picture.

Bug: 14842969
Change-Id: I4a46a2499ccf47e1bc13a179561d6ab271502ddb

packages/SystemUI/res/drawable/ic_account_circle.xml

@@ -0,0 +1,28 @@
+<!--
+Copyright (C) 2014 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" >
+    <size
+        android:width="24dp"
+        android:height="24dp"/>
+
+    <viewport
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"/>
+
+    <path
+        android:fill="#FFFFFFFF"
+        android:pathData="M12.0,2.0C6.5,2.0 2.0,6.5 2.0,12.0s4.5,10.0 10.0,10.0c5.5,0.0 10.0,-4.5 10.0,-10.0S17.5,2.0 12.0,2.0zM12.0,5.0c1.7,0.0 3.0,1.3 3.0,3.0c0.0,1.7 -1.3,3.0 -3.0,3.0c-1.7,0.0 -3.0,-1.3 -3.0,-3.0C9.0,6.3 10.3,5.0 12.0,5.0zM12.0,19.2c-2.5,0.0 -4.7,-1.3 -6.0,-3.2c0.0,-2.0 4.0,-3.1 6.0,-3.1c2.0,0.0 6.0,1.1 6.0,3.1C16.7,17.9 14.5,19.2 12.0,19.2z"/>
+</vector>

packages/SystemUI/res/layout/status_bar_expanded_header.xml

@@ -80,7 +80,7 @@
         android:layout_alignParentEnd="true"
         android:background="@null"
         android:scaleType="centerInside"
-        android:padding="6dp"
+        android:padding="8dp"
         />
 
     <ImageButton android:id="@+id/settings_button"

packages/SystemUI/src/com/android/systemui/statusbar/policy/UserInfoController.java

@@ -166,7 +166,7 @@ public final class UserInfoController {
                 if (rawAvatar != null) {
                     avatar = new BitmapDrawable(mContext.getResources(), circularClip(rawAvatar));
                 } else {
-                    avatar = mContext.getResources().getDrawable(R.drawable.ic_qs_default_user);
+                    avatar = mContext.getResources().getDrawable(R.drawable.ic_account_circle);
                     mUseDefaultAvatar = true;
                 }