[scripts/apply_template] Ignore comments in .vars files. (#3558)
[scripts/apply_template] Ignore comments in .vars files. (#3558)

Lines prefixed with # will be ignored.
material-components/material-components-ios,randallli/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,randallli/material-components-ios,randallli/material-components-ios,randallli/material-components-ios,randallli/material-components-ios,material-components/material-components-ios,randallli/material-components-ios