Automatic merge from submit-queue (batch tested with PRs 45610, 47628) Replace capacity with allocatable to calculate pod resource It is not accurate to use capacity to do the calculation. **What this PR does / why we need it**: The currently cpu resource calculation for a pod in end2end test is incorrect. **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes # fixes #47627 **Special notes for your reviewer**: More details about capacity and allocatable: https://github.com/kubernetes/community/blob/master/contributors/design-proposals/node-allocatable.md **Release note**: NONE