platform_system_core/libsystem/Android.bp

package {
    default_applicable_licenses: ["Android-Apache-2.0"],
}

cc_library_headers {
    name: "libsystem_headers",
    vendor_available: true,
    product_available: true,
    recovery_available: true,
    vendor_ramdisk_available: true,
    host_supported: true,
    native_bridge_supported: true,
    apex_available: [
        "//apex_available:platform",
        "//apex_available:anyapex",
    ],
    min_sdk_version: "apex_inherit",
    export_include_dirs: ["include"],

    target: {
        linux_bionic: {
            enabled: true,
        },
        windows: {
            enabled: true,
        },
    },
}