android10/frameworks/av/media/libeffects/preprocessing/Android.bp

// audio preprocessing wrapper
cc_library_shared {
    name: "libaudiopreprocessing",

    vendor: true,

    relative_install_path: "soundfx",

    srcs: ["PreProcessing.cpp"],

    include_dirs: [
        "external/webrtc",
        "external/webrtc/webrtc/modules/include",
        "external/webrtc/webrtc/modules/audio_processing/include",
    ],

    shared_libs: [
        "libwebrtc_audio_preprocessing",
        "libspeexresampler",
        "libutils",
        "liblog",
    ],

    cflags: [
        "-DWEBRTC_POSIX",
        "-fvisibility=hidden",
        "-Wall",
        "-Werror",
    ],

    header_libs: [
        "libaudioeffects",
        "libhardware_headers",
    ],
}