[vm] Adjust FreeListProtectedVariableSizeObjects for larger page size on Mac ARM64.

TEST=ci
Bug: https://github.com/dart-lang/sdk/issues/46434
Change-Id: Id0f0d61648add0462fe38a3ef2c98d19bc355786
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/204622
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>

https://dart.googlesource.com/sdk/+/c54ce0b969e5b3a7449f20e9ddf193e96556c519
diff --git a/commits.json b/commits.json
index 0d1362b..1d45a96 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"99b752ed2c8f87bb1d13d89a7cee3fb9caa3b1f2",
   "external/github.com/flutter/flutter":"236a114ddb1eb0297bde1360837594d50f236ffe",
-  "sdk":"c015e02180d0e4231eacc71817f6230182203bc2"
+  "sdk":"c54ce0b969e5b3a7449f20e9ddf193e96556c519"
 }
\ No newline at end of file