* Use utils::Status in MaterialParser
* Use utils::sstream instead of std::stringstream
* Remove remaining std::cerr and dep; update MaterialParser::reflectParameters
* make error message in utils::Status more generic
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Co-authored-by: Powei Feng <powei@google.com>
Currently the only values possible are 'none' and 'all'. 'all' is the
default. This option will be used to control code generation
workarounds individually. Currently 'all' disable the
MergeReturn and Simplification passes, which have causes issues in
the past on some older Android devices.