Fix build to include ecmg example

common/BUILD

@@ -22,6 +22,13 @@ filegroup(
     ],
 )
 
+filegroup(
+    name = "provisioning_sdk_binary_release_files",
+    srcs = [
+        "certificate_type.h",
+    ],
+)
+
 cc_library(
     name = "playready_interface",
     hdrs = ["playready_interface.h"],