crashlytics hack to set different version name

set crashlytics custom version name

private void setupCrashlytics(@NotNull final Activity activity) {
    final Crashlytics crashlytics = new Crashlytics();

    // hack to set fully classified version name @see gradle task.canonicalReleaseVersionName
    try {
        final Field versionNameField = CrashlyticsCore.class.getDeclaredField("versionName");
        versionNameField.setAccessible(true);
        versionNameField.set(crashlytics.core, Build.getValue(CANONICAL_VERSION_NAME));
    } catch (Exception e) {
        e.printStackTrace();
    }

    Fabric.with(activity, crashlytics);
}