Add chrome.devtools.network to Chrome extensions externs.
Add chrome.devtools.network to Chrome extensions externs.

PiperOrigin-RevId: 361235841

monetate/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,nawawi/closure-compiler,ChadKillingsworth/closure-compiler,monetate/closure-compiler,monetate/closure-compiler,nawawi/closure-compiler,google/closure-compiler,google/closure-compiler,nawawi/closure-compiler,monetate/closure-compiler,google/closure-compiler,ChadKillingsworth/closure-compiler,nawawi/closure-compiler,ChadKillingsworth/closure-compiler