Make sure localhost is enabled on testing devices.

Change-Id: I9057dd77a8c760cc5881f3b2eaeb14a0d9910b51
diff --git a/tools/setup-buildbot-device.sh b/tools/setup-buildbot-device.sh
index fc396b6..7faf86e 100755
--- a/tools/setup-buildbot-device.sh
+++ b/tools/setup-buildbot-device.sh
@@ -24,5 +24,9 @@
 adb shell setenforce 0
 adb shell getenforce
 
+echo -e "${green}Setting local loopback${nc}"
+adb shell ifconfig lo up
+adb shell ifconfig
+
 echo -e "${green}List properties${nc}"
 adb shell getprop