[Palettes] Use more Starlark macros in the BUILD file. (#8180)
[Palettes] Use more Starlark macros in the BUILD file. (#8180)

Adds more Starlark macro use to the BUILD file to make releasing easier.

Part of #8150
material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios