test/abi: disable test with old-style build tag known to run.go
test/abi: disable test with old-style build tag known to run.go

A quick check of the source to run.go suggests that it does not
look for the new-style build tags.

Updates #45465.

Change-Id: Ib4be040935d71e732f81d52c4a22c2b514195f40
Reviewed-on: https://go-review.googlesource.com/c/go/+/308934
Run-TryBot: David Chase <ae171625adc8645b8b79b7e405a6da5aba5341e0@google.com>
TryBot-Result: Go Bot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Cherry Zhang <d62e63aa42ce272d7b6a5055d97e942b33a34679@google.com>
Trust: David Chase <ae171625adc8645b8b79b7e405a6da5aba5341e0@google.com>

golang/go,nawawi/go,CAFxX/go,golang/go,nawawi/go,golang/go,nawawi/go,CAFxX/go,CAFxX/go,cloudflare/go,golang/go,nawawi/go,CAFxX/go,nawawi/go,cloudflare/go,cloudflare/go,CAFxX/go,nawawi/go,cloudflare/go,cloudflare/go,golang/go,cloudflare/go,CAFxX/go,CAFxX/go,cloudflare/go,golang/go,cloudflare/go,CAFxX/go,golang/go,golang/go,nawawi/go,nawawi/go