Deprecate drupal_attach_tabledrag(). Move its logic in Table form element

Problem/Motivation

Part of effort to deprecate procedural code in:

• #3015538: [META] Deprecate contents of common.inc
• #1577902: [META] Remove all usages of drupal_static() & drupal_static_reset()

Proposed resolution

• Move drupal_attach_tabledrag() functionality to \Drupal\Core\Render\Element\Table form element class as a public static method.
• Deprecate drupal_attach_tabledrag()

Usage in contrib is http://grep.xnddx.ru/search?text=drupal_attach_tabledrag

Remaining tasks

review/commit

User interface changes

None.

API changes

• New public static method on \Drupal\Core\Render\Element\Table::attachTabledrag() form element.
• drupal_attach_tabledrag() is deprecated.
• internal element selector changed to use data-drupal-tabledrag-id attribute instead of HTML ID (used only internally)

Data model changes

None.

Release notes snippet

N/A.