Roll benchmarks-internal 772454259330..ac71e64e299f

ac71e64e299f70212628f944dae719d8d26e6114 https://dart-internal-review.googlesource.com/c/benchmarks-internal/+/1960

TBR=athom@google.com

Change-Id: I53e6c0472644b5ce44f049f2ac7f871b94730f87
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153464
Reviewed-by: Jonas Termansen <sortie@google.com>
Auto-Submit: Jonas Termansen <sortie@google.com>

Author: sortie

DEPS

@@ -48,7 +48,7 @@ vars = {
   "co19_2_rev": "620c1148c8b7a3d7f74afacf348c46f109eb64f2",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal
-  "benchmarks_internal_rev": "77245425933064c5ec4cc217b9b2f2689e9d08a6",
+  "benchmarks_internal_rev": "ac71e64e299f70212628f944dae719d8d26e6114",
   "checkout_benchmarks_internal": False,
 
   # As Flutter does, we use Fuchsia's GN and Clang toolchain. These revision