dl: add go1.16.9 and go1.17.2

Change-Id: Iba3a489b3d5e22b2cdc5fbd7ed3d6735d23669bd
Reviewed-on: https://go-review.googlesource.com/c/dl/+/354669
Trust: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
diff --git a/go1.16.9/main.go b/go1.16.9/main.go
new file mode 100644
index 0000000..f560bbc
--- /dev/null
+++ b/go1.16.9/main.go
@@ -0,0 +1,24 @@
+// Copyright 2021 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The go1.16.9 command runs the go command from Go 1.16.9.
+//
+// To install, run:
+//
+//     $ go install golang.org/dl/go1.16.9@latest
+//     $ go1.16.9 download
+//
+// And then use the go1.16.9 command as if it were your normal go
+// command.
+//
+// See the release notes at https://golang.org/doc/devel/release.html#go1.16.minor
+//
+// File bugs at https://golang.org/issues/new
+package main
+
+import "golang.org/dl/internal/version"
+
+func main() {
+	version.Run("go1.16.9")
+}
diff --git a/go1.17.2/main.go b/go1.17.2/main.go
new file mode 100644
index 0000000..42127b3
--- /dev/null
+++ b/go1.17.2/main.go
@@ -0,0 +1,24 @@
+// Copyright 2021 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The go1.17.2 command runs the go command from Go 1.17.2.
+//
+// To install, run:
+//
+//     $ go install golang.org/dl/go1.17.2@latest
+//     $ go1.17.2 download
+//
+// And then use the go1.17.2 command as if it were your normal go
+// command.
+//
+// See the release notes at https://golang.org/doc/devel/release.html#go1.17.minor
+//
+// File bugs at https://golang.org/issues/new
+package main
+
+import "golang.org/dl/internal/version"
+
+func main() {
+	version.Run("go1.17.2")
+}