Make compose landscape(phone) go fullscreen

Bug: 5121640
Change-Id: Ib7cc74c2ee494b69c7674d60960df83d6f0d9845

AndroidManifest.xml

@@ -226,7 +226,7 @@
             android:name=".activity.MessageCompose"
             android:label="@string/compose_title"
             android:enabled="false"
-            android:theme="@android:style/Theme.Holo.Light"
+            android:theme="@style/MessageComposeTheme"
             >
             <intent-filter>
                 <action

res/values-land/styles.xml

@@ -15,6 +15,10 @@
 -->
 
 <resources>
+    <style name="MessageComposeTheme" parent="EmailTheme">
+        <item name="android:windowFullscreen">true</item>
+    </style>
+
     <style name="action_bar_unread_count">
         <item name="android:includeFontPadding">false</item>
         <item name="android:textSize">30sp</item>

res/values-sw600dp-land/styles.xml

@@ -17,6 +17,9 @@
 <!-- tablet, landscape -->
 
 <resources>
+    <style name="MessageComposeTheme" parent="EmailTheme">
+    </style>
+
     <!-- Use fixed width in landscape -->
     <style name="message_compose_scroll">
         <item name="android:layout_width">800dip</item>

res/values/styles.xml

@@ -16,9 +16,15 @@
 
 <!-- non-xlarge.  See also values-xlarge for specializations for xlarge screens -->
 <resources>
+    <!-- Default theme for all Activity's in the app, unless otherwise
+         overridden and specified -->
     <style name="EmailTheme" parent="@android:style/Theme.Holo.Light.DarkActionBar">
     </style>
 
+    <style name="MessageComposeTheme" parent="EmailTheme">
+        <!-- This gets changed in some other views -->
+    </style>
+
     <style name="unreadCount">
         <item name="android:ellipsize">end</item>
         <item name="android:singleLine">true</item>