Add build rule to get compiled jar of launcher proto

// Copyright (C) 2018 The Android Open Source Project

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

java_library {

    name: "launcherprotosnano",

    proto: {

        type: "nano",

        output_params: ["store_unknown_fields=true"],

        include_dirs: ["external/protobuf/src"],

    },

    sdk_version: "current",

    srcs: [

        "*.proto",

    ],

}