Add Reflect polyfills.  Currently a large fraction of them only transpile down to ES5, since they depend on various ES5 Object methods and we're not currently in the business of providing ES5 polyfills as well.  (I have another pending change that implements them all the way down to ES3, but figure it's best to look at that separately.)
Add Reflect polyfills.  Currently a large fraction of them only transpile down to ES5, since they depend on various ES5 Object methods and we're not currently in the business of providing ES5 polyfills as well.  (I have another pending change that implements them all the way down to ES3, but figure it's best to look at that separately.)

RELNOTES: Update transpile.js to include Reflect polyfills.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127497367

ikabirov/closure-library,redforks/closure-library,Medium/closure-library,redforks/closure-library,lucidsoftware/closure-library,codyebberson/closure-library,ChadKillingsworth/closure-library,google/closure-library,platinumpixs/google-closure-library,google/closure-library,google/closure-library,ikabirov/closure-library,joeltine/closure-library,teppeis/closure-library,ikabirov/closure-library,ikabirov/closure-library,google/closure-library,platinumpixs/google-closure-library,codyebberson/closure-library,teppeis/closure-library,Medium/closure-library,teppeis/closure-library,codyebberson/closure-library,ChadKillingsworth/closure-library,platinumpixs/google-closure-library,Medium/closure-library,teppeis/closure-library,redforks/closure-library,lucidsoftware/closure-library,codyebberson/closure-library,ChadKillingsworth/closure-library,google/closure-library,platinumpixs/google-closure-library,redforks/closure-library,Medium/closure-library,lucidsoftware/closure-library,joeltine/closure-library,ChadKillingsworth/closure-library,joeltine/closure-library,joeltine/closure-library,lucidsoftware/closure-library