Better preview visuals.

Smaller thumbnail (removed unnecessary padding), more opaque background.
Uses a white background because the dark background interferes with the
new dark widgets.

Change-Id: I7654741d845609200569fce34b6cde891d2b5d29
diff --git a/src/com/android/launcher2/CellLayout.java b/src/com/android/launcher2/CellLayout.java
index 015f187..05fc20c 100644
--- a/src/com/android/launcher2/CellLayout.java
+++ b/src/com/android/launcher2/CellLayout.java
@@ -444,6 +444,22 @@
         return mCellHeight;
     }
 
+    int getLeftPadding() {
+        return mPortrait ? mShortAxisStartPadding : mLongAxisStartPadding;
+    }
+
+    int getTopPadding() {
+        return mPortrait ? mLongAxisStartPadding : mShortAxisStartPadding;        
+    }
+
+    int getRightPadding() {
+        return mPortrait ? mShortAxisEndPadding : mLongAxisEndPadding;
+    }
+
+    int getBottomPadding() {
+        return mPortrait ? mLongAxisEndPadding : mShortAxisEndPadding;        
+    }
+
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         // TODO: currently ignoring padding