fix(list): Add missing import

[patrickrodee]

No description provided.

[patrickrodee]

Fixes missing import for this call

material-components-web/packages/mdc-list/mdc-list.scss

Lines 172 to 177 in a2c1bd0

	@at-root {
	$divider-color: if(
	mdc-theme-tone($mdc-theme-background) == "dark",
	$mdc-list-divider-color-on-dark-bg,
	$mdc-list-divider-color-on-light-bg
	);

[codecov-io]

Codecov Report

Merging #2150 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2150   +/-   ##
=======================================
  Coverage   99.33%   99.33%           
=======================================
  Files          84       84           
  Lines        3769     3769           
  Branches      490      490           
=======================================
  Hits         3744     3744           
  Misses         25       25

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