Remove quiet option from pre_build_script. Install libjpeg-turbo and ffmpeg in 2 separate steps

[atalman]

This helps debugging, since quiet option does not show detailed failure information

[pytorch-bot]

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/vision/8950

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❌ 11 New Failures, 1 Pending, 2 Unrelated Failures

As of commit 6e57947 with merge base dcd1e42 ():

NEW FAILURES - The following jobs have failed:

• Tests / unittests-linux (3.10, linux.12xlarge, cpu) / linux-job (gh)
  RuntimeError: Command docker exec -t b2960b08561194308cf7e9ddb8ddaa3d021f13ffb5292835e06dfda56b7dcdeb /exec failed with exit code 137
• Tests / unittests-linux (3.11, linux.12xlarge, cpu) / linux-job (gh)
  RuntimeError: Command docker exec -t 4ce2c98364f24ef5595c092f572ab5e182edfa79bf922fc72ccd17a769fb35c2 /exec failed with exit code 137
• Tests / unittests-macos (3.10, macos-m1-stable) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 137
• Tests / unittests-macos (3.11, macos-m1-stable) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• Tests / unittests-macos (3.12, macos-m1-stable) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 137
• Tests / unittests-macos (3.9, macos-m1-stable) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 137
• Tests / unittests-windows (3.10, windows.4xlarge, cpu) / windows-job (gh)
  Process completed with exit code 139.
• Tests / unittests-windows (3.11, windows.4xlarge, cpu) / windows-job (gh)
  Process completed with exit code 139.
• Tests / unittests-windows (3.12, windows.4xlarge, cpu) / windows-job (gh)
  Process completed with exit code 139.
• Tests / unittests-windows (3.9, windows.4xlarge, cpu) / windows-job (gh)
  Process completed with exit code 139.
• Tests / unittests-windows (3.9, windows.g5.4xlarge.nvidia.gpu, cuda, 11.8) / windows-job (gh)
  AttributeError: '_OpNamespace' 'image' object has no attribute '_jpeg_version'

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• Tests / unittests-linux (3.12, linux.12xlarge, cpu) / linux-job (gh) (detected as infra flaky with no log or failing log classifier)
• Tests / unittests-linux (3.9, linux.12xlarge, cpu) / linux-job (gh) (detected as infra flaky with no log or failing log classifier)

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[github-actions]

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