unity8 takes up about 50% of a CPU core when phone is blanked

[Rick Spencer]

Steps:
1. adb shell into phone and run top
2. either click the power button or wait for the phone to sleep

Result:
Note that the CPU utilization for unity8 goes up to about 50%

Note that you can get the CPU utilization to go away by waking the phone and clicking the home button

[Rick Spencer (rick-rickspencer3)]

root@ubuntu-phablet:/root# ps aux | grep qmlscene
phablet 3217 0.1 2.6 194548 50660 ? Tl 11:21 0:04 /usr/lib/arm-linux-gnueabihf/qt5/bin/qmlscene $@ ubuntu-tasks.qml --desktop_file_hint=/home/phablet/.local/share/applications/com.ubuntu.developer.mdspencer.ubuntu-tasks_ubuntu-tasks_0.5.5.desktop --stage_hint=main_stage
phablet 3388 0.0 2.1 193440 40760 ? Tl 11:22 0:01 /usr/lib/arm-linux-gnueabihf/qt5/bin/qmlscene $@ torch.qml --desktop_file_hint=/home/phablet/.local/share/applications/com.ubuntu.developer.vtuson.torch_torch_1.3.desktop --stage_hint=main_stage
root 6454 0.0 0.0 1452 508 pts/18 S+ 12:02 0:00 grep --color=auto qmlscene