Automated g4 rollback of changelist 189779782.
Automated g4 rollback of changelist 189779782.

*** Reason for rollback ***

This breaks tests.

*** Original change description ***

Make goog.async.nextTick a little lighter by removing special support for older IE browsers.  Treat them all the same way as IE11 and use "setTimeout(fn, 0)".

RELNOTES: lighten goog.async.nextTick's code weight slightly.

***

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=189797760

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