Add support for datalist to text input element on Android

We want to have a darker color divider between the datalist suggestions and autofill suggestions.

The ListView instance is constructed inside ListPopupWindow so we can't override ListView.drawDivider(), so we draw the divider inside the list item view.

BUG=242455

Review URL: https://codereview.chromium.org/23314003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234194 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234194