Use "--config" in launch_cvd command for default hardware settings.

The launch_cvd have new feature to setup hardware default settings with
"--config". Acloud don't need to pass resolution or memory settings in
launch_cvd command.

Bug: 180618596
Test: acloud-dev create -vv
      acloud-dev create --flavor auto --branch git_master -vv
      acloud-dev create --local-instance -vv
Change-Id: I795787d8ba2c70dbad9f53aaf386278d0d184f33
5 files changed