Release 9.0.0

9.0.0

API diffs

Auto-generated by running:

scripts/api_diff -o cdbe7e499d85c320c41f31e51cd7cf29c3afed48 -n 636df09ea57a7cdefdacad3f53277c76df968f72

ButtonBar

• [new] MDCButtonBarLayoutPositionLeading
• [new] MDCButtonBarLayoutPositionTrailing

NavigationBar

• [new] MDCNavigationBar.hidesBackButton
• [new] MDCNavigationBar.layoutDirection
• [new] MDCNavigationBar.leadingBarButtonItem
• [new] MDCNavigationBar.leadingBarButtonItems
• [new] MDCNavigationBar.leadingItemsSupplementBackButton
• [new] MDCNavigationBar.leftBarButtonItem
• [new] MDCNavigationBar.leftBarButtonItems
• [new] MDCNavigationBar.leftItemsSupplementBackButton
• [new] MDCNavigationBar.rightBarButtonItem
• [new] MDCNavigationBar.rightBarButtonItems
• [new] MDCNavigationBar.title
• [new] MDCNavigationBar.trailingBarButtonItem
• [new] MDCNavigationBar.trailingBarButtonItems
• [protocols changed] MDCNavigationBar.
  Removed MDCUINavigationItemObservables.