Use CUTTLEFISH as our boot identifier

Change-Id: I7c796dd01c8b478352877765294da2a03a220a91
(cherry picked from commit 5982978ecfc0e0403771e82fa050a1ba81f4c4e8)
diff --git a/launcher/vsoc_mem.json b/launcher/vsoc_mem.json
index 9c70877..a32be9d 100644
--- a/launcher/vsoc_mem.json
+++ b/launcher/vsoc_mem.json
@@ -10,7 +10,7 @@
 	    "androidboot.selinux=permissive",
 	    "enforcing=0",
 	    "audit=0",
-	    "AVD_NESTED_VM"
+	    "CUTTLEFISH"
     ]
   },