https://github.com/googleads/googleads-mobile-android-examples See Issues
最新版 9.0.2 or 9.0.0 (com.google.firebase:firebase-ads:9.0.2)
Log查 w/Ads
W/Ads: Failed to connect to remote ad request service.
W/Ads: Could not start the ad request service.
W/Ads: Failed to load ad: 0
整個無言! ..............最簡單的範例也出錯!!