Add .fill, .fillOpacity, and .fillRule to the CSSProperties externs.
Add .fill, .fillOpacity, and .fillRule to the CSSProperties externs.

PiperOrigin-RevId: 350590770

ChadKillingsworth/closure-compiler,monetate/closure-compiler,google/closure-compiler,nawawi/closure-compiler,monetate/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,vobruba-martin/closure-compiler,vobruba-martin/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,nawawi/closure-compiler,nawawi/closure-compiler,vobruba-martin/closure-compiler,vobruba-martin/closure-compiler,google/closure-compiler,google/closure-compiler,ChadKillingsworth/closure-compiler,nawawi/closure-compiler