Fixing HAL executable benchmarks after workgroup count ops. (#10098)

A new `hal.executable.calculate_workgroups` pseudo-op allows for
pre-translation workgroup counts to be queried from the host-side program
which will then be resolved during conversion to the full HAL dialect
using whatever calculation functions the translation produced.
diff --git a/tests/compiler_driver/BUILD b/tests/compiler_driver/BUILD
index c4d5332..273bb11 100644
--- a/tests/compiler_driver/BUILD
+++ b/tests/compiler_driver/BUILD
@@ -19,6 +19,7 @@
     name = "lit",
     srcs = enforce_glob(
         [
+            "executable_benchmarks.mlir",
             "hal_executable.mlir",
             "smoketest.mlir",
             "streams.mlir",