[vm] Update to variadic FATAL.

TEST=ci
Change-Id: Ic6bc784605e10760bb28ea6df34242336a33b4d0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/286947
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>

runtime/vm/allocation.cc

@@ -14,7 +14,7 @@ namespace dart {
 static void* Allocate(uword size, Zone* zone) {
   ASSERT(zone != NULL);
   if (size > static_cast<uword>(kIntptrMax)) {
-    FATAL1("ZoneAllocated object has unexpectedly large size %" Pu "", size);
+    FATAL("ZoneAllocated object has unexpectedly large size %" Pu "", size);
   }
   return reinterpret_cast<void*>(zone->AllocUnsafe(size));
 }