Connect search activities for email2.

Change-Id: I9462e2a99dc9c37b7a14b9bcc4e3b44c227c131f

email2/AndroidManifest.xml

@@ -36,6 +36,9 @@
         android:icon="@mipmap/ic_launcher_mail"
         android:label="@string/app_name"
         android:theme="@style/UnifiedEmailTheme" >
+        <!-- Enable search in all activities -->
+        <meta-data android:name="android.app.default_searchable"
+            android:value="com.android.email2.ui.MailActivityEmail" />
         <activity
             android:name=".compose.ComposeActivity"
             android:label="@string/app_name"
@@ -114,6 +117,11 @@
                 <data android:scheme="content"/>
                 <data android:mimeType="application/email-ls" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEARCH" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <meta-data android:name="android.app.searchable" android:resource="@xml/searchable" />
         </activity>
 
         <provider

email2/res/xml/searchable.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2012 Google Inc.
+     Licensed to 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.
+-->
+<searchable xmlns:android="http://schemas.android.com/apk/res/android"
+    android:label="@string/search_title"
+    android:hint="@string/search_hint"
+    android:icon="@drawable/ic_menu_search_holo_light"
+    android:searchSuggestIntentAction="android.intent.action.SEARCH"
+    android:imeOptions="actionSearch"
+    android:searchSuggestSelection="query LIKE ?" />