Add shell_and_utilities_vendor_ramdisk

Test: build it
Bug: 156098440
Change-Id: I8dbddd57e5569d5db969b83ae77a36f839806583

shell_and_utilities/Android.bp

@@ -51,3 +51,13 @@ phony {
         "toybox_vendor",
     ],
 }
+
+// shell and utilities for first stage console. The list of binaries are
+// enough for debugging purposes.
+phony {
+    name: "shell_and_utilities_vendor_ramdisk",
+    required: [
+        "sh.vendor_ramdisk",
+        "toybox.vendor_ramdisk",
+    ],
+}