gistfile1.txt

// Map for the version code that gives each ABI a value.
ext.abiCodes = ['armeabi-v7a': 1, 'arm64-v8a': 2, 'x86': 3]

import com.android.build.OutputFile

android.applicationVariants.all { variant ->
    variant.outputs.each { output ->
        // Stores the value of ext.abiCodes that is associated with the ABI for this variant.
        def baseAbiVersionCode = project.ext.abiCodes.get(output.getFilter(OutputFile.ABI))
        // Assigns a different version code for each output APK other than the universal APK.
        if (baseAbiVersionCode != null) {
        
            // the value '1000' here total depend on your version code rule. 
            // if CI build code could be higher than 1000, you should modiy the value accordingly. 
            output.versionCodeOverride = baseAbiVersionCode * 1000 + variant.versionCode
        }
    }
}