Reodering some drawables

  > quantum_panel_shape is xml rectangle with no margin
  > quantum_panel_bitmap is 9-patch drawable with inbuild shadow and margin
  > quantum_panel uses xml-shape for lollipop and 9-patch image for lower
    devices. It includes margin. For shadow, use elevation on lollipop
  > All drawables have _dark variant
  > Using #f5f5f5 for panel background, instead of #ffffff

Change-Id: Ia7c6cea6d514ee3774fcf5fef6139650bdd53208
diff --git a/res/drawable/quantum_panel.xml b/res/drawable/quantum_panel.xml
new file mode 100644
index 0000000..1f4fb71
--- /dev/null
+++ b/res/drawable/quantum_panel.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 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.
+-->
+<nine-patch xmlns:android="http://schemas.android.com/apk/res/android"
+    android:src="@drawable/quantum_panel_bitmap" />