Limit total expansion size in StripState and improve limit handling

Limit total expansion size in StripState and improve limit handling

* Add a new limit to the parser which limits the size of the output
  generated by StripState. The relevant bug shows exponential blowup in
  output size.
* Remove the $prefix parameter from the StripState constructor. Used by
  no Gerrit-hosted extensions, hard-deprecated since 1.26.
* Convert the existing unstrip recursion depth limit to a normal parser
  limit with limit report row, warning and tracking category. Provide
  the same features in the new limit.
* Add an optional $parser parameter to the StripState constructor so
  that warnings and tracking categories can be added.

Bug: T187833
Change-Id: Ie5f6081177610dc7830de4a0a40705c0c8cb82f1