Update chrome.management.getAll() API externs
Update chrome.management.getAll() API externs

chrome.management.getAll() incorrectly set the return type as an array of extensions,
but the API doesn't actually return anything directly.  Update it to mark it as returning
undefined.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=288328251

vobruba-martin/closure-compiler,ChadKillingsworth/closure-compiler,vobruba-martin/closure-compiler,Yannic/closure-compiler,google/closure-compiler,nawawi/closure-compiler,vobruba-martin/closure-compiler,Yannic/closure-compiler,nawawi/closure-compiler,ChadKillingsworth/closure-compiler,ChadKillingsworth/closure-compiler,monetate/closure-compiler,google/closure-compiler,monetate/closure-compiler,monetate/closure-compiler,Yannic/closure-compiler,google/closure-compiler,google/closure-compiler,Yannic/closure-compiler,ChadKillingsworth/closure-compiler,vobruba-martin/closure-compiler,nawawi/closure-compiler,monetate/closure-compiler,nawawi/closure-compiler