runtime, internal/syscall/unix: mark getrandom vDSO as non-escaping
Updates #66779
Updates #69577
Change-Id: I0dea5a30aab87aaa443e7e6646c1d07aa865ac1c
GitHub-Last-Rev:
1cea46deb345369346efb2cb320fae1644466322
GitHub-Pull-Request: golang/go#69719
Reviewed-on: https://go-review.googlesource.com/c/go/+/616696
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Commit-Queue: Ian Lance Taylor <iant@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>