Extract the otapreopt parameters in their own class and add tests

This is in preparation to get rid of the annoying
ReadArgumentV1..5 pattern and to be able to write
unit tests.

(cherry picked from commit c9e76799)

Test: installd_dexopt_test
Bug: 72666394
Merged-In: I0ad438ee69aa82d9ff2ad2f94d465dcc78ea8c28
Change-Id: I0ad438ee69aa82d9ff2ad2f94d465dcc78ea8c28