My old Nokia phones had a flashlight mode built in, very quick to activate and use, not as a separate app. Even if it does need to be an app on Android, at least include it in the base or core, as it is such a popular and useful thing to have.
Because Goog wouldnt want to be responsible for burning out a users camera flash. Old school Nokia phones are GOAT and had special tested LED's that obviously wouldn't expire after 20mins of run time.