Allow getrusage under ASAN.

sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc

Index: sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
diff --git a/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc b/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
index 214b99c7467a6ccc7947b20ef774bc139ca38d53..afa74cbc75b96e35aac00205e86cc9800d8e3fb8 100644
--- a/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
+++ b/sandbox/linux/seccomp-bpf-helpers/baseline_policy.cc
@@ -109,6 +109,11 @@ ResultExpr EvaluateSyscallImpl(int fs_denied_errno,
     return Allow();
   }
 
+  // Used when RSS limiting is enabled in sanitizers.
+  if (sysno == __NR_getrusage) {
+    return RestrictGetrusage();
+  }
+
   if (sysno == __NR_sigaltstack) {
     // Required for better stack overflow detection in ASan. Disallowed in
     // non-ASan builds.