touch_updater: Add more syscalls to seccomp

Add munmap, newfstatat, uname, set_tid_address/ to seccomp.
Needed to fix crashes with glibc 2.35.

BUG=b:235960683
TEST=CQ; glibc CQ

Change-Id: I700694cc651beedb1bbc276b8b18014860e4b179
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_updater/+/3833356
Auto-Submit: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Sean O'Brien <seobrien@chromium.org>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Allen Webb <allenwebb@google.com>
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
42 files changed