Build the nightly docker (#1985)

Summary:
GCP has some issues accessing Ubuntu repo, move the system level package install to the base image.

Problematic docker build: https://github.com/pytorch/benchmark/actions/runs/6509843007

Test docker build: https://github.com/pytorch/benchmark/actions/runs/6517632118

Pull Request resolved: #1985

Reviewed By: aaronenyeshi

Differential Revision: D50338416

Pulled By: xuzhao9

fbshipit-source-id: 365cabfcd81e2df7e70ae24aa7d6a3f748308a03

docker/torchbench-nightly.dockerfile

@@ -7,9 +7,6 @@ ENV CONDA_ENV=torchbench
 ENV SETUP_SCRIPT=/workspace/setup_instance.sh
 ARG TORCHBENCH_BRANCH=${TORCHBENCH_BRANCH:-main}
 
-# Setup dependencies
-RUN sudo apt install -y libsdl2-dev libsdl2-2.0-0
-
 # Setup Conda env and CUDA
 RUN git clone -b "${TORCHBENCH_BRANCH}" --single-branch \
  https://github.com/pytorch/benchmark /workspace/benchmark