SPARK-1821: Update bunded JRE to 1.8.0u121
SPARK-1821: Update bunded JRE to 1.8.0u121

guusdk/Spark,BittyByte/Spark,vipinraj/Spark,BittyByte/Spark,speedy01/Spark,igniterealtime/Spark,guusdk/Spark,igniterealtime/Spark,speedy01/Spark,wrooot/Spark,BittyByte/Spark,guusdk/Spark,wrooot/Spark,speedy01/Spark,vipinraj/Spark,speedy01/Spark,guusdk/Spark,igniterealtime/Spark,wrooot/Spark,vipinraj/Spark,igniterealtime/Spark,wrooot/Spark,vipinraj/Spark,BittyByte/Spark