Use mailcomon for attachment styling.

Part of fixes for b/5517524 compose on tablets needs redlines

Change-Id: Ib0a2e91183583f2b02d6006aa4902bdfefaf4a82

res/layout/attachment.xml

@@ -1,60 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2008 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.
--->
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    style="@style/attachment_container">
-
-    <ImageView
-        android:src="@drawable/ic_attachment_holo_light"
-        android:layout_gravity="center_vertical"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content" />
-
-    <!--  Attachment preview -->
-    <ImageView android:id="@+id/attachment_thumbnail"
-        style="@style/attachment_thumbnail"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content" />
-
-    <!-- Attachment name and size -->
-    <LinearLayout
-        android:orientation="vertical"
-        android:layout_weight="1.0"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical">
-
-        <TextView android:id="@+id/attachment_name"
-            style="@style/attachment_name" />
-
-        <TextView android:id="@+id/attachment_size"
-            style="@style/attachment_name"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
-
-    </LinearLayout>
-
-    <!-- Remove button -->
-    <ImageView android:id="@+id/remove_attachment"
-            android:src="@drawable/ic_cancel_holo_light"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:gravity="left"
-            android:layout_marginLeft="20dip"
-            android:layout_gravity="center_vertical|left"
-            android:clickable="true" />
-
-
-</LinearLayout>