Add "m_shamu" to the lunch menu [DO NOT MERGE]

Change-Id: I68275dc2511c3c2a239ebd2e1dde69f39f34ac94
diff --git a/vendorsetup.sh b/vendorsetup.sh
index 4fd65b1..5d24b27 100644
--- a/vendorsetup.sh
+++ b/vendorsetup.sh
@@ -15,3 +15,4 @@
 #
 
 add_lunch_combo aosp_shamu-userdebug
+add_lunch_combo m_shamu-userdebug