Register tests for profiling after the runtime has started

Ensure that the profile saver thread starts after the runtime finishes
starting. In test mode (when -Xps-profile-path is passed) we were
registering the app info to early.

Test: run-test 927-timers
Change-Id: Iede588524dda3ff60aa3e2c61ed1d906f63a6c70
1 file changed