Remove <html><body> wrapping in calls to Util.parseHTML

* Util.parseHTML already does the necessary wrapping, if needed
  whereas callers do this wrapping unconditionally.

* No change in parsertest results, but improves output of
  a failing test.

Change-Id: Ib08246bcc9b3e62d435ea91c8a34f03c7df50cde
Merge "Remove <html><body> wrapping in calls to Util.parseHTML"