Called when the system determines that tokens need to be refreshed.
This method is also called if Instance ID has been reset in which
case, tokens and FCM topic subscriptions also need to be refreshed.
Instance ID service will throttle the refresh event across all devices
to control the rate of token updates on application servers.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2021-02-11 UTC."],[],[]]
