fix(typography): Fixes typography theme-styles mixin... the value being retreived from the $theme map and css property name was swapped. The mixin would request font-size/font-weight/letter-spacing from the $theme map (which expects size/weight/tracking)... so these values would always be null.

PiperOrigin-RevId: 435389815

Author: sayris

packages/mdc-typography/_typography.scss

@@ -532,7 +532,7 @@ $_typography-theme: (
 
   @include theme.property(font-family, map.get($theme, font));
   @include theme.property(line-height, map.get($theme, line-height));
-  @include theme.property(size, map.get($theme, font-size));
-  @include theme.property(weight, map.get($theme, font-weight));
-  @include theme.property(tracking, map.get($theme, letter-spacing));
+  @include theme.property(font-size, map.get($theme, size));
+  @include theme.property(font-weight, map.get($theme, weight));
+  @include theme.property(letter-spacing, map.get($theme, tracking));
 }