frameworks_base/tests/SmokeTest/tests/Android.bp

android_test {
    name: "SmokeTest",
    // Include all test java files.
    srcs: ["src/**/*.java"],
    // Notice that we don't have to include the src files of SmokeTestApp because, by
    // running the tests using an instrumentation targeting SmokeTestApp, we
    // automatically get all of its classes loaded into our environment.
    instrumentation_for: "SmokeTestApp",
    sdk_version: "8",
}