Small asset tweeks for folders

Change-Id: I37ae35468e35042069577069c5411750dc1ccbe8
diff --git a/res/drawable-hdpi/portal_container_holo.9.png b/res/drawable-hdpi/portal_container_holo.9.png
index ca0546e..a2272c9 100644
--- a/res/drawable-hdpi/portal_container_holo.9.png
+++ b/res/drawable-hdpi/portal_container_holo.9.png
Binary files differ
diff --git a/res/drawable-mdpi/portal_container_holo.9.png b/res/drawable-mdpi/portal_container_holo.9.png
index 312a464..daa1773 100644
--- a/res/drawable-mdpi/portal_container_holo.9.png
+++ b/res/drawable-mdpi/portal_container_holo.9.png
Binary files differ
diff --git a/res/drawable-xhdpi/portal_container_holo.9.png b/res/drawable-xhdpi/portal_container_holo.9.png
index 6fcc7dd..0c9c518 100644
--- a/res/drawable-xhdpi/portal_container_holo.9.png
+++ b/res/drawable-xhdpi/portal_container_holo.9.png
Binary files differ