add getdents64 to policies

glibc 2.32 is using getdents64 syscall instead of getdents.
So add getdents64 to policies that already have getdents.

BUG=chromium:1171287
TEST=CQ

Change-Id: I06d4877a79b00b2edcea8ea56991c06edec1014e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/intel-wifi-fw-dump/+/2760878
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Eric Caruso <ejcaruso@chromium.org>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Auto-Submit: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Eric Caruso <ejcaruso@chromium.org>
diff --git a/sandbox/fw_parser-seccomp.policy b/sandbox/fw_parser-seccomp.policy
index 72602d5..1379946 100644
--- a/sandbox/fw_parser-seccomp.policy
+++ b/sandbox/fw_parser-seccomp.policy
@@ -10,6 +10,7 @@
 exit_group: 1
 fstat: 1
 getdents: 1
+getdents64: 1
 getpid: 1
 lseek: 1
 # Make sure PROT_WRITE (bit 1) and PROT_EXEC (bit 2) are not both set.