platform_bionic/apex/Android.bp

// Runtime (Bionic) APEX module
//
// In Q this contained Bionic, ART and Libcore.
// It keeps the name /apex/com.android.runtime for app compat reasons.

android_app_certificate {
    name: "com.android.runtime.certificate",
    certificate: "com.android.runtime",
}

apex_key {
    name: "com.android.runtime.key",
    public_key: "com.android.runtime.avbpubkey",
    private_key: "com.android.runtime.pem",
}

apex {
    name: "com.android.runtime",
    compile_multilib: "both",
    manifest: "manifest.json",
    native_shared_libs: [
        "libc",
        "libm",
        "libdl",
        "libdl_android",
        "libc_malloc_debug",
        "libc_malloc_hooks",
    ],
    multilib: {
        both: {
            binaries: [
                "crash_dump",
                "linker",
            ],
        },
    },
    key: "com.android.runtime.key",
    certificate: ":com.android.runtime.certificate",
}