aosp12/external/libphonenumber/build-full.gradle

apply plugin: 'java'
apply plugin: 'protobuf'

sourceSets.main {
    java.srcDirs = [
        'libphonenumber/src',
        'internal/prefixmapper/src',
        'geocoder/src'
    ]
    resources.srcDirs =[
        'libphonenumber/src'
    ]
}

dependencies {
    compile project(path: ':libprotobuf', configuration: 'nano')
}