Also render attributes of the form html/i-j/attrName in CE

Factored the parsing of html/* attributes out into a static function.
Factored attribute (re)rendering out into ce.View, attribute updates
are much simpler now.

Change-Id: I4caa6d5e1e2c21c28ddff61c3c864e47f66cc6b2
Merge "Also render attributes of the form html/i-j/attrName in CE"