ART: Curb dex2oat verbosity

Only print dedupe collisions in a debug build or on verbose logging.

Bug: 19082662

(cherry picked from commit 8d295f8f0e88fa5c6373962d545020a06033b3fc)

Change-Id: I08bd04a453d95b6dba6cf6955b5741cd97daf480
4 files changed