Android StudioでFacebook SDKをインポート

エラー :(1, 0) Plugin with id 'com.android.library' not found.

Android Studio で Import Module で Facebook SDK をインポートしたら、 Gradle の同期で上記のエラーが出てしまいました。

原因が不明です。

プロジェクト構成も設定済みです。

• Android Studio　ver.1.0.2
• Facebook SDK 3.21.1

よろしくお願いします。

追記

build.gradle

apply plugin: 'com.android.library'

repositories {
  mavenCentral()
}

project.group = 'com.facebook.android'

dependencies {
    compile files('libs/android-support-v4.jar')
    compile files('libs/bolts-android-1.1.2.jar')
}

android {
    compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION

    defaultConfig {
        minSdkVersion Integer.parseInt(project.ANDROID_BUILD_MIN_SDK_VERSION)
        targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_TARGET_SDK_VERSION)
    }

    lintOptions {
        abortOnError false
    }

    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']
            res.srcDirs = ['res']
        }
    }
}

apply plugin: 'maven'
apply plugin: 'signing'

def isSnapshot = version.endsWith('-SNAPSHOT')
def ossrhUsername = hasProperty('NEXUS_USERNAME') ? NEXUS_USERNAME : ""
def ossrhPassword = hasProperty('NEXUS_PASSWORD') ? NEXUS_PASSWORD : ""

task setVersion {
    // The version will be derived from source
    project.version = null
    def sdkVersionFile = file('src/com/facebook/FacebookSdkVersion.java')
    sdkVersionFile.eachLine{
        def matcher = (it =~ /(?:.*BUILD = \")(.*)(?:\".*)/)
        if (matcher.matches()) {
          project.version = matcher[0][1]
          return
        }
    }
    if (project.version.is('unspecified')) {
      throw new GradleScriptException('Version could not be found.', null)
    }
}

uploadArchives {
    repositories.mavenDeployer {
        beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }

        repository(url: "https://oss.sonatype.org/service/local/staging/deploy/maven2/") {
            authentication(userName: ossrhUsername, password: ossrhPassword)
        }

        snapshotRepository(url: "https://oss.sonatype.org/content/repositories/snapshots/") {
            authentication(userName: ossrhUsername, password: ossrhPassword)
        }

        pom.project {
            name 'Facebook-Android-SDK'
            artifactId = 'facebook-android-sdk'
            packaging 'aar'
            description 'Facebook Android SDK'
            url 'https://github.com/facebook/facebook-android-sdk'

            scm {
                connection 'scm:git@github.com:facebook/facebook-android-sdk.git'
                developerConnection 'scm:git@github.com:facebook/facebook-android-sdk.git'
                url 'https://github.com/facebook/facebook-android-sdk'
            }

            licenses {
                license {
                    name 'The Apache Software License, Version 2.0'
                    url 'https://github.com/facebook/facebook-android-sdk/blob/master/LICENSE.txt'
                    distribution 'repo'
                }
            }

            developers {
                developer {
                    id 'facebook'
                    name 'Facebook'
                }
            }
        }
    }
}

uploadArchives.dependsOn(setVersion)

signing {
    required { !isSnapshot && gradle.taskGraph.hasTask("uploadArchives") }
    sign configurations.archives
}

task androidJavadocs(type: Javadoc) {
    source = android.sourceSets.main.java.srcDirs
    classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
}

task androidJavadocsJar(type: Jar, dependsOn: androidJavadocs) {
    classifier = 'javadoc'
    from androidJavadocs.destinationDir
}

task androidSourcesJar(type: Jar) {
    classifier = 'sources'
    from android.sourceSets.main.java.sourceFiles
}

artifacts {
    archives androidSourcesJar
    archives androidJavadocsJar
}

afterEvaluate {
    androidJavadocs.classpath += project.android.libraryVariants.toList().first().javaCompile.classpath
}

setting Gradle
include ':aplname', ':Facebook'