Trac #19246
Issue=262

After a device lost the "mSceneStarted" variable was getting out
of sync and thus we were never restarting the scene before drawing.
It's probably best to ensure that any default states we need are
also set after a reset.

Signed-off-by: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@909 736b8ea6-26fd-11df-bfd4-992fa37f6226