Change _updateValue to protected so that subclasses outside of angular forms can provide their own implementation. For example: cl/152185349
Change _updateValue to protected so that subclasses outside of angular forms can provide their own implementation. For example: cl/152185349

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=153069806

matanlurey/angular,matanlurey/angular,angulardart/angular,kevmoo/angular,chalin/angular2,chalin/angular2,kevmoo/angular,chalin/angular2,kevmoo/angular,angulardart/angular,angulardart/angular,matanlurey/angular