Add 'en_ISO' to datetimesymbols.js locale switch. This fixes bug in which it's not possible to select en_ISO by setting goog.LOCALE.
Add 'en_ISO' to datetimesymbols.js locale switch. This fixes bug in which it's not possible to select en_ISO by setting goog.LOCALE.

RELNOTES: na

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=151710248

ikabirov/closure-library,platinumpixs/google-closure-library,platinumpixs/google-closure-library,lucidsoftware/closure-library,google/closure-library,ikabirov/closure-library,google/closure-library,platinumpixs/google-closure-library,ikabirov/closure-library,teppeis/closure-library,google/closure-library,teppeis/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,google/closure-library,platinumpixs/google-closure-library,google/closure-library,teppeis/closure-library,teppeis/closure-library,ikabirov/closure-library,lucidsoftware/closure-library