Merge "add support for constraint layout's DATA list" into nyc-dev

var <?cs

  if:reference.testSupport ?>SUPPORT_TEST_<?cs

  elif: reference.wearableSupport ?>SUPPORT_WEARABLE_<?cs

  elif: reference.constraintSupport ?>CONSTRAINT_<?cs

  /if ?>DATA = [

<?cs each:page = docs.pages

?>      { id:<?cs var: page.id ?>, label:"<?cs var:page.label ?>", link:"<?cs var:page.link ?>", type:"<?cs var:page.type ?>", deprecated:"<?cs var:page.deprecated ?>" }<?cs if:!last(page) ?>,<?cs /if ?>