swift classes need to include swift::params

Some of the swift classes use parameterized settings defined in
swift::params but do not include the swift::params class.

Change-Id: I7704bf42db4554566d27b510bbbedb8afe0fe7b3
Closes-Bug: #1288252
(cherry picked from commit 2cce66ef44b011ba695dbc3e1586b2e0b8570666)
Merge remote-tracking branch 'upstream/stable/havana' into havana