system/audio_bluetooth_hw/Android.bp

// The format of the name is audio.<type>.<hardware/etc>.so

package {
    // See: http://go/android-license-faq
    // A large-scale-change added 'default_applicable_licenses' to import
    // all of the 'license_kinds' from "system_bt_license"
    // to get the below license kinds:
    //   SPDX-license-identifier-Apache-2.0
    default_applicable_licenses: ["system_bt_license"],
}

cc_defaults {
    name: "audio_bluetooth_hw_defaults",
    defaults: ["bluetooth_cflags"],
    cflags: [
        // suppress the warning in stream_apis.cc
        "-Wno-sign-compare",
    ],
}

cc_library_shared {
    name: "audio.bluetooth.default",
    defaults: [
        "audio_bluetooth_hw_defaults",
        "latest_android_hardware_audio_common_ndk_shared",
        "latest_android_hardware_bluetooth_audio_ndk_shared",
    ],
    relative_install_path: "hw",
    proprietary: true,
    srcs: [
        "audio_bluetooth_hw.cc",
        "device_port_proxy.cc",
        "device_port_proxy_hidl.cc",
        "stream_apis.cc",
        "utils.cc",
    ],
    header_libs: ["libhardware_headers"],
    shared_libs: [
        "libaudioutils",
        "libbase",
        "libbinder_ndk",
        "libbluetooth_audio_session_aidl",
        "libcutils",
        "libfmq",
        "liblog",
        "libutils",
        // HIDL dependencies
        "android.hardware.bluetooth.audio@2.0",
        "android.hardware.bluetooth.audio@2.1",
        "libbluetooth_audio_session",
        "libhidlbase",
    ],
    cflags: ["-Wno-unused-parameter"],
}

cc_test {
    name: "audio_bluetooth_hw_test",
    defaults: ["audio_bluetooth_hw_defaults"],
    srcs: [
        "utils.cc",
        "utils_unittest.cc",
    ],
    shared_libs: [
        "libbase",
        "libcutils",
        "liblog",
        "libutils",
    ],
}