Use ShortcutWidgetTheme.

Fixes b/16767953 and b/16131423.

Also removes the obsolete ic_launcher_shortcut_folder.

Change-Id: I73e800b1e83b95eaa05cd800178a7de86072c00d

AndroidManifest.xml

@@ -192,6 +192,7 @@
             android:label="@string/activity_folder_selection" />
 
         <activity android:name="com.android.email2.ui.MailboxSelectionActivityEmail"
+            android:theme="@style/ShortcutWidgetTheme"
             android:label="@string/app_name" >
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
@@ -204,6 +205,7 @@
         </activity>
 
         <activity android:name="com.android.mail.ui.MailboxSelectionActivity"
+            android:theme="@style/ShortcutWidgetTheme"
             android:label="@string/app_name" >
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />