floss: skip resume flow if no suspend id is recorded

If there is no suspend id recorded during resume, it means nothing is
done during suspend. Log the metrics and return.

Bug: 310077261
Test: mma -j32
Flag: EXEMPT Floss only changes and chromeos metrics.
Cq-Depend: chromium:5179124

Change-Id: I65f88b70b028865000ef3d9f9a6491687ee4844c