Use the proper style for the SpacePreference.

The old style caused unsightly dividers to show up.

Change-Id: Ic59fdc9b2f120e8a637930f3246be5dab547af5b
Fixes: 62548473
Test: Manual
diff --git a/src/com/android/settings/applications/SpacePreference.java b/src/com/android/settings/applications/SpacePreference.java
index d90ff18..58a1dce 100644
--- a/src/com/android/settings/applications/SpacePreference.java
+++ b/src/com/android/settings/applications/SpacePreference.java
@@ -17,6 +17,7 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
+import android.support.v4.content.res.TypedArrayUtils;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
@@ -33,7 +34,9 @@
     private int mHeight;
 
     public SpacePreference(Context context, AttributeSet attrs) {
-        this(context, attrs, com.android.internal.R.attr.preferenceStyle);
+        this(context, attrs, TypedArrayUtils.getAttr(context,
+                android.support.v7.preference.R.attr.preferenceStyle,
+                android.R.attr.preferenceStyle));
     }
 
     public SpacePreference(Context context, AttributeSet attrs, int defStyleAttr) {