Fix transitions for image_download and activation

Change-Id: I713ada52eef9d275c7d7596026e178c7382e8335
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
index fee6aec..4062c02 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/binarylog.go
@@ -34,7 +34,7 @@
 }
 
 // binLogger is the global binary logger for the binary. One of this should be
-// built at init time from the configuration (environment varialbe or flags).
+// built at init time from the configuration (environment variable or flags).
 //
 // It is used to get a methodLogger for each individual method.
 var binLogger Logger