Revert "Revert "Reverting folder cell width on portrait phones.""

This reverts commit 1974e98f5ec4713e50ba64ec32a7607c92ddce9b.

Change-Id: I7c5d86de187989c085f676933ce3f1cbd57ed8a7
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index c0ad516..ccbfba1 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -245,7 +245,9 @@
         hotseatCellHeightPx = iconSizePx;
 
         // Folder
-        folderCellWidthPx = Math.min(cellWidthPx + 6 * edgeMarginPx,
+        int folderCellPadding = isTablet || isLandscape ? 6 * edgeMarginPx : 3 * edgeMarginPx;
+        // Don't let the folder get too close to the edges of the screen.
+        folderCellWidthPx = Math.min(cellWidthPx + folderCellPadding,
                 (availableWidthPx - 4 * edgeMarginPx) / inv.numFolderColumns);
         folderCellHeightPx = cellHeightPx + edgeMarginPx;
         folderBackgroundOffset = -edgeMarginPx;