Android build failed after importing webview into package

[EmiranKaisar]

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':launcher:mergeDexRelease'.

A failure occurred while executing com.android.build.gradle.internal.tasks.DexMergingTaskDelegate
There was a failure while executing work items
> A failure occurred while executing com.android.build.gradle.internal.tasks.DexMergingWorkAction
> com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives:
Type androidx.annotation.experimental.R is defined multiple times: /Users/em/Documents/WorkSpace/ballremake/Library/Bee/Android/Prj/Mono2x/Gradle/launcher/build/intermediates/project_dex_archive/release/out/38183a5ae17e668dea2ad435519fd21103d40e3939c798d61e22c4a5f76b515b_3.jar:classes.dex, /Users/em/Documents/WorkSpace/ballremake/Library/Bee/Android/Prj/Mono2x/Gradle/launcher/build/intermediates/external_libs_dex/release/mergeExtDexRelease/classes.dex
Learn how to resolve the issue at https://developer.android.com/studio/build/dependencies#duplicate_classes.

[KojiNakamaru]

The following project, for example, can be built without any error.

https://github.com/gree/unity-webview/commits/example-for-1121/

Please provide a concrete example that reproduces the issue, based on the sample app in this project.