Android古いプロジェクトエラーNo toolchains found in the NDK toolchains folder for ABI with prefix

No toolchains found in the NDK toolchains folder for ABI with prefix: mipsel-linux-android

build.gradle

dependencies {
    classpath 'com.android.tools.build:gradle:3.2.0'
}
repositories {
    google()
    jcenter()
}

gradle-wrapper.properties

distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip