仅做一个记录

旧式Top目录的build.gradle，仅适用于JAVA8。

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        jcenter()
        // Add repository

    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.1'
        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.6'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }

    gradle.projectsEvaluated {
        tasks.withType(JavaCompile) {
            options.compilerArgs.add('-Xbootclasspath/p:Tv\\frameworks\\android.jar')
        }
    }
}

新式Top目录的build.gradle，适用于JAVA8及更高版本

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        jcenter()
        // Add repository

    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.1'
        classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.6'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }

    gradle.projectsEvaluated {
        tasks.withType(JavaCompile) {
            Set<File> fileSet = options.bootstrapClasspath.getFiles()
            List<File> newFileList =  new ArrayList<>()
            newFileList.add(new File("Tv\\frameworks\\android.jar"))
            newFileList.addAll(fileSet)
            options.bootstrapClasspath = files(newFileList.toArray())
        }
    }
}