Replace distutils usage with non-deleted alternatives

Author: dconeybe

Diff for: scripts/build_scripts/build_testapps.py

@@ -84,7 +84,6 @@
 from absl import app
 from absl import flags
 from absl import logging
-from distutils import dir_util
 
 import utils
 import config_reader
@@ -322,8 +321,7 @@ def _build(
   project_dir = os.path.join(project_dir, output_testapp_dir)
 
   logging.info("Copying testapp project to %s", project_dir)
-  os.makedirs(project_dir)
-  dir_util.copy_tree(testapp_dir, project_dir)
+  shutil.copytree(testapp_dir, project_dir)
 
   logging.info("Changing directory to %s", project_dir)
   os.chdir(project_dir)

Diff for: scripts/build_scripts/utils.py

@@ -19,7 +19,6 @@
 platforms.
 """
 
-import distutils.spawn
 import platform
 import shutil
 import subprocess
@@ -62,7 +61,7 @@ def run_command(cmd, capture_output=False, cwd=None, check=False, as_root=False,
 
 def is_command_installed(tool):
   """Check if a command is installed on the system."""
-  return distutils.spawn.find_executable(tool)
+  return shutil.which(tool)
 
 
 def delete_directory(dir_path):