suspend: Change good suspend time to total

Good suspend time was confusing since its meaning changed depending on
whether short suspend backoff was enabled. Changing this to total so
that it is easier to understand.

Good suspend time would then be total - short

Bug: 187125424
Test: dumpsys suspend_control_internal
Test: atest SystemSuspendV1_0UnitTest
Change-Id: Ibb0daa62259a05bc21a4e69ef298c1e92d7fb970
4 files changed