Automatic merge from submit-queue (batch tested with PRs 47232, 48625, 48613, 48567, 39173)

Fix issue when setting fileysystem capacity in container manager

In Container manager, we set up the capacity by retrieving information
from cadvisor. However unlike machineinfo, filesystem information is
available at a later unknown time. This PR uses a go routine to keep
retriving the information until it is avaialble or timeout.
This PR fixes issue #48452