seccomp: allow getrandom syscall

Needed to fix seccomp failures with glibc 2.35.

BUG=b:235960683
TEST=Local builds; CQ.

Change-Id: I59a23103f5bfe8ca0f46178255af476ec69173f5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_updater/+/3822783
Commit-Queue: Adrian Ratiu <adrian.ratiu@collabora.corp-partner.google.com>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Tested-by: Adrian Ratiu <adrian.ratiu@collabora.corp-partner.google.com>
Auto-Submit: Adrian Ratiu <adrian.ratiu@collabora.corp-partner.google.com>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
51 files changed