[ptr-compr] Disable mkgrokdump test when pointer compression is off

... because tools/v8heapconst.py was created for default x64 release
mode (with enabled pointer compression).

Bug: v8:7703, v8:10621
Change-Id: I1fbcd81aac26e0b357279b7dffa97c64a5415e40
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2250238Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68397}

test/mkgrokdump/mkgrokdump.status

@@ -5,7 +5,7 @@
 [
 
 # Only test for default mode x64.
-['variant != default or arch != x64 or lite_mode', {
+['variant != default or arch != x64 or lite_mode or not pointer_compression', {
   '*': [SKIP],
 }],  # variant != default or arch != x64 or lite_mode