chore(ngLocale): Include numberformatsymbolext.js in Closure Slurper Script

Adds missing number format and symbol rules to Closure slurper script.

Closes #6179
fix(ngLocale): Regenerate Locale Files

Fixes number formatting and symbols for many locales.
Adds support for additional locales.

Closes #8931
Closes #8583
Closes #7799