Fix layout margins for Preferences in dialogs

Bug: 7114194
Change-Id: I95293e6a745b2f0df12a8a90fc2771527aab6d90

Author: Amith Yamasani

core/res/res/values/themes.xml

@@ -648,6 +648,8 @@ please see themes_device_defaults.xml.
         <item name="listPreferredItemPaddingRight">10dip</item>
         <item name="listPreferredItemPaddingStart">10dip</item>
         <item name="listPreferredItemPaddingEnd">10dip</item>
+
+        <item name="preferencePanelStyle">@style/PreferencePanel.Dialog</item>
     </style>
 
     <!-- Variant of {@link Theme_Dialog} that does not include a frame (or background).
@@ -1605,6 +1607,8 @@ please see themes_device_defaults.xml.
         <item name="listPreferredItemPaddingRight">16dip</item>
         <item name="listPreferredItemPaddingStart">16dip</item>
         <item name="listPreferredItemPaddingEnd">16dip</item>
+
+        <item name="preferencePanelStyle">@style/PreferencePanel.Dialog</item>
     </style>
 
     <!-- Variant of Theme.Holo.Dialog that has a nice minimum width for
@@ -1719,6 +1723,8 @@ please see themes_device_defaults.xml.
         <item name="listPreferredItemPaddingRight">16dip</item>
         <item name="listPreferredItemPaddingStart">16dip</item>
         <item name="listPreferredItemPaddingEnd">16dip</item>
+
+        <item name="preferencePanelStyle">@style/PreferencePanel.Dialog</item>
     </style>
 
     <!-- Variant of Theme.Holo.Light.Dialog that has a nice minimum width for