Use correct folder icon by default.

Gmail has a matching change to override ic_menu_folders with the
label icon.

Change-Id: I43065fb6c8c8bf61ba5088e97f600703dfafd273
diff --git a/res/drawable-hdpi/ic_menu_folders_holo_light.png b/res/drawable-hdpi/ic_menu_folders_holo_light.png
index 2604b63..21a10b0 100644
--- a/res/drawable-hdpi/ic_menu_folders_holo_light.png
+++ b/res/drawable-hdpi/ic_menu_folders_holo_light.png
Binary files differ
diff --git a/res/drawable-mdpi/ic_menu_folders_holo_light.png b/res/drawable-mdpi/ic_menu_folders_holo_light.png
index 44fb8f2..2ad5910 100644
--- a/res/drawable-mdpi/ic_menu_folders_holo_light.png
+++ b/res/drawable-mdpi/ic_menu_folders_holo_light.png
Binary files differ
diff --git a/res/drawable-xhdpi/ic_menu_folders_holo_light.png b/res/drawable-xhdpi/ic_menu_folders_holo_light.png
index 4f649a2..fb13638 100644
--- a/res/drawable-xhdpi/ic_menu_folders_holo_light.png
+++ b/res/drawable-xhdpi/ic_menu_folders_holo_light.png
Binary files differ