Update lint baseline csv script
Update lint baseline csv script

- The command for updating lint baselines has been updated; updating
  the instructions contained in the lint baseline CSV script.
- Add tip for running .kts files
- Check that arguments exist before attempting to fetch the first
  argument (fixes out of bounds error)

Test: Run `./gradlew updateLintBaseline --continue`, verify that
baseline files are updated

Test: Run `kotlinc -script development/lintBaselineToCsv.main.kts`
(without any arguments) and verify that the script instructions are printed

Change-Id: I84371ff858f3cb02b95e15caa6ca4cdbfcd7817c

androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx