Redesign settings on tablets

1. Move ContactsPreferenceActivity to ContactsCommon since it is called
   in DisplayOptionsPreferenceFragment, which is built as part of Dialer.
2. Remove preference_headers.xml since we are going to get rid of headers.
3. Kitkat backporting.

Here's how it looks:
https://docs.google.com/a/google.com/presentation/d/1A5n2o8epBCrizZvbOyelvjoHz-s5-IRlJd-KqWAMBao/edit?usp=sharing

Bug: 25629359
Bug: 26469731
Change-Id: I2dc8dec8a6e3725c3180f0e0a56ed68fe28cca50

1 files changed, 0 insertions, 24 deletions

diff --git a/res/xml/preference_headers.xml b/res/xml/preference_headers.xml
deleted file mode 100644
index 98019fdc5..000000000
--- a/res/xml/preference_headers.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2010 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.
--->
-
-<preference-headers
-    xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <header
-        android:fragment="com.android.contacts.common.preference.DisplayOptionsPreferenceFragment"
-        android:title="@string/preference_displayOptions" />
-
-</preference-headers>