Add caret shaped all app pull up handle to page indicator.
b/28917826

> PageIndicator is also added in landscape
> Touch delegate allows the active touch area to be 36dp

Change-Id: If00f45fc88a13cd5a6759d771313439eb58561e3
diff --git a/res/drawable/ic_allapps_caret.xml b/res/drawable/ic_allapps_caret.xml
new file mode 100644
index 0000000..34d1882
--- /dev/null
+++ b/res/drawable/ic_allapps_caret.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 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:height="24dp"
+    android:viewportHeight="48.0"
+    android:viewportWidth="48.0"
+    android:width="24dp" >
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M14.83,30.83L24,21.66l9.17,9.17L36,28 24,16 12,28z"/>
+</vector>