I don`t have problems with My AdMob account. My old apps are working ok.
link to capx. 1drv.ms/u/s!AoUdsYjQf7E8xXI8wfC4JGgF8A7j
CORDOVA CLI
removed plugin crosswalk webview
<plugin name="cocoon-plugin-ads-android-admob" spec="1.0.12"/>
Result: Don`t load and show banner and intersticial.
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COCOON
removed plugin crosswalk webview
<plugin name="cocoon-plugin-ads-android-admob" spec="1.0.12"/>
<preference name="cocoon-version" value="2.1.0"/>
engine: webview
Result: Intersticial , load and show.
Banner, don`t load and show.