Add support for Screen Wake Lock API
Add support for Screen Wake Lock API

This API is now enabled by default in Chrome.

See https://www.chromestatus.com/feature/4636879949398016
See https://w3c.github.io/screen-wake-lock/
monetate/closure-compiler,nawawi/closure-compiler,Yannic/closure-compiler,nawawi/closure-compiler,nawawi/closure-compiler,nawawi/closure-compiler,vobruba-martin/closure-compiler,vobruba-martin/closure-compiler,Yannic/closure-compiler,monetate/closure-compiler,monetate/closure-compiler,vobruba-martin/closure-compiler,ChadKillingsworth/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,google/closure-compiler,monetate/closure-compiler,google/closure-compiler,Yannic/closure-compiler,google/closure-compiler,Yannic/closure-compiler,vobruba-martin/closure-compiler,ChadKillingsworth/closure-compiler,ChadKillingsworth/closure-compiler