compaction: import DateTieredCompactionStrategy.java
compaction: import DateTieredCompactionStrategy.java

File can be found at the following C* directory:
src/java/org/apache/cassandra/db/compaction

Signed-off-by: Raphael S. Carvalho <1e2942cea40e3b4d2162dfcd9e53e41c05a84d22@scylladb.com>

scylladb/scylla,kjniemi/scylla,duarten/scylla,avikivity/scylla,avikivity/scylla,scylladb/scylla,raphaelsc/scylla,kjniemi/scylla,scylladb/scylla,duarten/scylla,raphaelsc/scylla,raphaelsc/scylla,scylladb/scylla,kjniemi/scylla,avikivity/scylla,duarten/scylla