THRIFT-5646 Check for the presence of Gradle to build the Kotlin library. (#2691)
THRIFT-5646 Check for the presence of Gradle to build the Kotlin library. (#2691)

Client: kotlin
Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,apache/thrift,apache/thrift,Jens-G/thrift,apache/thrift,apache/thrift,Jens-G/thrift,apache/thrift,Jens-G/thrift,apache/thrift,apache/thrift,Jens-G/thrift,apache/thrift,Jens-G/thrift,apache/thrift,Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,apache/thrift,apache/thrift,apache/thrift,Jens-G/thrift,apache/thrift,apache/thrift,apache/thrift,apache/thrift,Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,Jens-G/thrift,apache/thrift,apache/thrift