Browsing Catalan translation

note: 'Braille of element with the ARIA role math.'
note: 'Brailled phrase indicating the current selection is a Math object.'
note: 'Brailled phrase indicating the current selection is a Math object. When translating, stick to lowercase.'
note: 'Describes the collection of navigation strategies for math.'
note: 'This is the name of an ARIA document structure role shown on a braille display. When translating, stick to lowercase letters, if applicable.'
in: results/cr/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd, as IDS_CHROMEVOX_ARIA_ROLE_MATH_BRL
in: results/cr/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd, as IDS_CHROMEVOX_MATH_EXPR_BRL