build.gradle

android {
    splits {
        abi {
            def isReleaseBuild = false

            gradle.startParameter.taskNames.find {
            // Enable split for release builds in different build flavors
            // (assemblePaidRelease, assembleFreeRelease, etc.).
                if (it ==~ /:app:assemble.*Release/) {
                    isReleaseBuild = true
                    return true // break
                }

                return false // continue
            }

            // Enables building multiple APKs per ABI.
            enable isReleaseBuild
            //...
        }
    }
     //...
}