[Table] Add column resizing

#### Bug, feature request, or proposal:
Nice to have

#### What is the expected behavior?

right hand of the sort un-down icon, between column, add an vertical left-right line icon, it will show icon when mouse hover on the column border line
#### What is the current behavior?

NO
#### What are the steps to reproduce?
Providing a StackBlitz/Plunker (or similar) is the *best* way to get the team to see your issue.

Plunker starter (using on `@master`): https://goo.gl/uDmqyY

StackBlitz starter (using latest `npm` release): https://goo.gl/wwnhMV

#### What is the use-case or motivation for changing an existing behavior?
With sort/paging and html5 content edit, we can easily do grid edit now, even without cdk grid. But column resize is pain, we need add css separately.

#### Which versions of Angular, Material, OS, TypeScript, browsers are affected?

5
#### Is there anything else we should know?
group by column feature can implement via embedded html table

Commencez par les exemples StackBlitz ou Plunker liés afin de reproduire le comportement de la table Angular Material et d’inspecter l’implémentation de la table qu’ils mettent en œuvre. Clarifiez avec les mainteneurs l’interaction de redimensionnement et les surfaces de table concernées avant de choisir les fichiers. Le travail est considéré comme terminé lorsque les utilisateurs peuvent découvrir comment redimensionner les colonnes sans ajouter de CSS distinct.

Rédigé par le modèle d'indexation à partir du texte de l'issue.