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This is enabled with --system-health-orderfile. Other than taking much
longer to run the profiling, and producing a much more effective
orderfile, the orderfile generator is run in the same way and produces
the same output.

Bug: 758566
Change-Id: I66c3aa28c9499179f86644ee8e64c9a6c63bad54
Reviewed-on: https://chromium-review.googlesource.com/1159066
Commit-Queue: Matthew Cary <mattcary@chromium.org>
Reviewed-by: Benoit L <lizeb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582219}