Correct compat info for runtime.onStartup (#124)
Correct compat info for runtime.onStartup (#124)

runtime.onStartup support was added in https://bugzil.la/1247435
The incorrect note about compatibility in Android was accidentally
added in ba69b281662993c6144f85ae8a5f45cdea881130.
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data,teoli2003/browser-compat-data,chrisdavidmills/browser-compat-data