Fixing some grid spacing issues. (Bug 10754537, 10754538)

- Ensuring app names don't run into each other in folders and on the workspace
- Ensuring that app names are aligned with folder names

Change-Id: Ie8d546eacd52005778d81c46011c1c84bc24118c
diff --git a/src/com/android/launcher3/DynamicGrid.java b/src/com/android/launcher3/DynamicGrid.java
index 70f0000..6e10175 100644
--- a/src/com/android/launcher3/DynamicGrid.java
+++ b/src/com/android/launcher3/DynamicGrid.java
@@ -207,7 +207,7 @@
 
         // Folder
         folderCellWidthPx = cellWidthPx + 3 * edgeMarginPx;
-        folderCellHeightPx = cellHeightPx + edgeMarginPx;
+        folderCellHeightPx = cellHeightPx + (int) ((3f/2f) * edgeMarginPx);
         folderBackgroundOffset = -edgeMarginPx;
         folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset;
     }