system_suspend: Check suspendTimeFd as expected am: 9bb6785918 am: a146b8d3d8 am: 220838fdc6 am: 23a647e3dd

Original change: https://android-review.googlesource.com/c/platform/system/hardware/interfaces/+/1906010

Change-Id: I50decc4ca37d371eb5f187a834ea2866cb5287ad