Include pending task in log message on skip sync_power_state

To better understand why sync_power_state is being skipped include the
pending task name in the log message.

Change-Id: I832a3d5820efab301e12610b28ca2a1e5cfd946a
(cherry picked from commit affbbca5af2506aafb743211c901f7f0ca4e131a)
Merge "Include pending task in log message on skip sync_power_state" into stable/icehouse