device.mk: include thermal imager app in Pandaboard image

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
diff --git a/device.mk b/device.mk
index 73c9566..e0785da 100644
--- a/device.mk
+++ b/device.mk
@@ -31,7 +31,8 @@
         com.android.future.usb.accessory \
         audio.primary.omap4 \
         uim \
-        camera.omap4
+        camera.omap4 \
+        arathermal
 
 PRODUCT_PROPERTY_OVERRIDES := \
         hwui.render_dirty_regions=false