Revert "[webkit] Runtime enablement of WebGL"

This reverts commit bcc8f733796f3fcd1c2180336960d747a6995f0c.
[HTML5] Implementation of WebSockets (framework).

Added binding to android port for Html5 WebSockets.
Added external API for enabling\disabling from browser.
SSL Web Sockets are not implemented in the current version.

Change-Id: I8b7a42780410cb9f043e1f16570ea50db68e00ea

Conflicts:
	core/java/android/webkit/WebSettings.java