摇篮“分裂”目标无法执行

Question

这可能是多余的，但是为什么 splits 目标却未在以下gradle文件（由unity（2019.3.0a7）生成）中执行？

mainTemplate.gradle ：

// GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.0'
**BUILD_SCRIPT_DEPS**}
}

allprojects {
    repositories {
        google()
        jcenter()
        flatDir {
            dirs 'libs'
        }
    }
}

apply plugin: 'com.android.library'
**APPLY_PLUGINS**

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.google.firebase:firebase-ads:17.1.2'
    implementation 'com.android.billingclient:billing:1.2.1'
**DEPS**}

android {   
    splits { // <================== This goal is not being executed. Why?
        abi {
            enable true
            reset()
            include "armeabi", "armeabi-v7a", "arm64-v8a", "mips", "mips64", "x86", "x86_64"
            universalApk true
        }
    }

    compileSdkVersion **APIVERSION**
    buildToolsVersion '**BUILDTOOLS**'

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    defaultConfig {
consumerProguardFiles 'proguard-unity.txt'**USER_PROGUARD**
        minSdkVersion **MINSDKVERSION**
        targetSdkVersion **TARGETSDKVERSION**

        ndk {
            abiFilters **ABIFILTERS**
        }
        versionCode **VERSIONCODE**
        versionName '**VERSIONNAME**'
    }

    lintOptions {
        abortOnError false
    }

    aaptOptions {
        noCompress = ['.unity3d', '.ress', '.resource', '.obb'**STREAMING_ASSETS**]
    }**SIGN**

    buildTypes {
        debug {
            minifyEnabled **MINIFY_DEBUG**
            useProguard **PROGUARD_DEBUG**
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD**
            jniDebuggable true
        }
        release {
            minifyEnabled **MINIFY_RELEASE**
            useProguard **PROGUARD_RELEASE**
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-unity.txt'**USER_PROGUARD****SIGNCONFIG**
        }
    }**PACKAGING_OPTIONS**
**BUILT_APK_LOCATION**

}**REPOSITORIES****SOURCE_BUILD_SETUP**

？

Unity用于构建项目，$ Path中使用的gradle版本为5.5.1（我不确定unity是否具有自己的版本）。