novatek: Add the missing policy for R97 build

Tool tested on R98 do not require fstat64 syscall,
but on R97 it is required.
Add the additional fstat64 syscall to prevent the violation.

BUG=b:207739510
TEST=Tested on Wormdingler

Change-Id: I226a74846d705200a8ba30833e4ac8501fbb64a7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_updater/+/3411105
Tested-by: Novatek MSP <novatekmsp@gmail.com>
Reviewed-by: Kenneth Albanowski <kenalba@google.com>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Commit-Queue: Bob Moragues <moragues@chromium.org>
4 files changed