Stop framework on buildbot devices to avoid lowmemorykiller.

Change-Id: If7fa58f9bcb67b90cc2473daa280c3c7d0f0f513
diff --git a/tools/setup-buildbot-device.sh b/tools/setup-buildbot-device.sh
index 7faf86e..8466bb3 100755
--- a/tools/setup-buildbot-device.sh
+++ b/tools/setup-buildbot-device.sh
@@ -30,3 +30,6 @@
 
 echo -e "${green}List properties${nc}"
 adb shell getprop
+
+echo -e "${green}Stopping framework${nc}"
+adb shell stop