Fix transitions for image_download and activation
Change-Id: I713ada52eef9d275c7d7596026e178c7382e8335
diff --git a/vendor/google.golang.org/grpc/resolver/passthrough/passthrough.go b/vendor/google.golang.org/grpc/resolver/passthrough/passthrough.go
index 893d5d1..c8a0c3d 100644
--- a/vendor/google.golang.org/grpc/resolver/passthrough/passthrough.go
+++ b/vendor/google.golang.org/grpc/resolver/passthrough/passthrough.go
@@ -18,40 +18,9 @@
// Package passthrough implements a pass-through resolver. It sends the target
// name without scheme back to gRPC as resolved address.
+//
+// Deprecated: this package is imported by grpc and should not need to be
+// imported directly by users.
package passthrough
-import "google.golang.org/grpc/resolver"
-
-const scheme = "passthrough"
-
-type passthroughBuilder struct{}
-
-func (*passthroughBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOption) (resolver.Resolver, error) {
- r := &passthroughResolver{
- target: target,
- cc: cc,
- }
- r.start()
- return r, nil
-}
-
-func (*passthroughBuilder) Scheme() string {
- return scheme
-}
-
-type passthroughResolver struct {
- target resolver.Target
- cc resolver.ClientConn
-}
-
-func (r *passthroughResolver) start() {
- r.cc.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: r.target.Endpoint}}})
-}
-
-func (*passthroughResolver) ResolveNow(o resolver.ResolveNowOption) {}
-
-func (*passthroughResolver) Close() {}
-
-func init() {
- resolver.Register(&passthroughBuilder{})
-}
+import _ "google.golang.org/grpc/internal/resolver/passthrough" // import for side effects after package was moved