Add package imports to Java getting-started and appending-events exam… #195

Job	Run time
build / Build (11)	1m 21s
build / Build (8)	1m 31s
build / Build (17)	1m 20s
Tests (Previous LTS) / load_configuration / load	3s
Tests (Previous LTS) / Single node (Telemetry)	1m 50s
Tests (Previous LTS) / Secure (Streams)	1m 54s
Tests (Previous LTS) / Cluster (Streams)	20s
Tests (Previous LTS) / Secure (PersistentSubscriptions)	2m 19s
Tests (Previous LTS) / Cluster (MultiStreamAppend)	1m 58s
Tests (Previous LTS) / Cluster (PersistentSubscriptions)	2m 37s
Tests (Previous LTS) / Single node (PersistentSubscriptions)	2m 34s
Tests (Previous LTS) / Single node (Streams)	1m 53s
Tests (Previous LTS) / Single node (MultiStreamAppend)	1m 58s
	21m 38s

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