Merge changes from topics 'KeyboardFocusHighlight-oc-dev',...

Merge changes from topics 'KeyboardFocusHighlight-oc-dev', 'KeyboardFocusHighlight_ mDefaultFocusHighlightEnabled-oc-dev', 'KeyboardFocusHighlight_ hasFocusStateSpecified-oc-dev' into oc-dev

* changes:
  Fix broken CTS tests.
  Draw a default focus highlight if needed.
  Add a public API defaultFocusHighlightEnabled.
  Detect unhandled keyboard focused state.