Add Freq to end2end benchmark.

Add bench-util to CMake.

PiperOrigin-RevId: 277795701
diff --git a/BUILD.bazel b/BUILD.bazel
index e230d56..77f94f9 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -1105,6 +1105,7 @@
     srcs = ["bench/end2end.cc"],
     deps = [
         ":XNNPACK",
+        ":bench_utils",
         ":mobilenet_v1",
         ":mobilenet_v2",
         "@pthreadpool",