crypto/internal/fips/aes/gcm: add GCMForTLS12 and GCMForTLS13

crypto/internal/fips/aes/gcm: add GCMForTLS12 and GCMForTLS13

For #69536

Change-Id: I2d7b6e7b9932d0f0f582a5ab0bb871395dc2a1e8
Reviewed-on: https://go-review.googlesource.com/c/go/+/626675
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>