message: Expose more XLA debug settings in Python.
diff: @@ -1273,7 +1273,19 @@ PYBIND11_MODULE(xla_extension, m) {
  &DebugOptions::set_xla_cpu_fast_math_honor_functions)
  .def_property("xla_gpu_enable_fast_min_max",
  &DebugOptions::xla_gpu_enable_fast_min_max,
  - &DebugOptions::set_xla_gpu_enable_fast_min_max);
  + &DebugOptions::set_xla_gpu_enable_fast_min_max)
  + .def_property("xla_backend_optimization_level",
  + &DebugOptions::xla_backend_optimization_level,
  + &DebugOptions::set_xla_backend_optimization_level)
  + .def_property("xla_cpu_enable_xprof_traceme",
  + &DebugOptions::xla_cpu_enable_xprof_traceme,
  + &DebugOptions::set_xla_cpu_enable_xprof_traceme)
  + .def_property("xla_llvm_disable_expensive_passes",
  + &DebugOptions::xla_llvm_disable_expensive_passes,
  + &DebugOptions::set_xla_llvm_disable_expensive_passes)
  + .def_property("xla_test_all_input_layouts",
  + &DebugOptions::xla_test_all_input_layouts,
  + &DebugOptions::set_xla_test_all_input_layouts);
  py::class_<ExecutableBuildOptions>(m, "ExecutableBuildOptions")
  .def(py::init<>())
  