[release-branch.go1.10] go1.10

Change-Id: I3663c2156d093efa09343512a69f040ecc8331e0
Reviewed-on: https://go-review.googlesource.com/94696
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

VERSION

@@ -1 +1 @@
-go1.10rc2
+go1.10