Add generic lexicon-diagnostics tool.
Add generic lexicon-diagnostics tool.

google/language-resources,google/language-resources,google/language-resources,google/language-resources,googlei18n/language-resources,googlei18n/language-resources,googlei18n/language-resources,google/language-resources,google/language-resources,googlei18n/language-resources,googlei18n/language-resources,googlei18n/language-resources