The existence of the manifest backup is used as a marker to decide
whether to embed the manifest in a second link step or not.
If it's present, the embedding took place in the first link step.
If it's not present, we must link again incrementally.
That logic was implemented faulty.
Change-Id: I10154dbbbe70c7981795ac66d46a166907ba13ec
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
d45ef22158