Change folder icon item overlay to white (issue 11030725)

Change-Id: I119cd06211722f86f901eb08ee9f7d1d9903e4ea
diff --git a/src/com/android/launcher3/FolderIcon.java b/src/com/android/launcher3/FolderIcon.java
index 7c791b9..7e1e350 100644
--- a/src/com/android/launcher3/FolderIcon.java
+++ b/src/com/android/launcher3/FolderIcon.java
@@ -536,7 +536,8 @@
         if (d != null) {
             d.setBounds(0, 0, mIntrinsicIconSize, mIntrinsicIconSize);
             d.setFilterBitmap(true);
-            d.setColorFilter(Color.argb(params.overlayAlpha, 0, 0, 0), PorterDuff.Mode.SRC_ATOP);
+            d.setColorFilter(Color.argb(params.overlayAlpha, 255, 255, 255),
+                    PorterDuff.Mode.SRC_ATOP);
             d.draw(canvas);
             d.clearColorFilter();
             d.setFilterBitmap(false);