use apt-get instead of apt

pkgs_envsetup.py

@@ -28,7 +28,7 @@ def main():
             != 0
         ):
             result = run(
-                ["/usr/bin/apt", "install", "-y", pkg],
+                ["/usr/bin/apt-get", "install", "-y", pkg],
                 shell=False,
                 stdout=PIPE,
                 stderr=STDOUT,