Checkin the MDPI Version for the Aizy so the app does not crash on MDPI anymore

Change-Id: Ie225d48b52dc828a79e27464cd708e6dadb486b1
diff --git a/res/drawable-mdpi/aizy_bottom.png b/res/drawable-mdpi/aizy_bottom.png
new file mode 100644
index 0000000..1f3d332
--- /dev/null
+++ b/res/drawable-mdpi/aizy_bottom.png
Binary files differ