- Read PV's AZ info from fault-domain label of the PV object for snapshotting.
- Store PV's AZ info in the VolumeInfo.
- Add tests for reading the label from the PV object.
- Remove availability zone validation in AWS and GCP BlockStorageAdaptor.
- Add volumeAZ as a parameter to methods in the BlockStorageAdapter interface.
- Get AZ from VolumeInfo when restoring PV snapshot.
- Remove references to PV availability zone in docs.
Signed-off-by: Ashish Amarnath <ashish.amarnath@gmail.com>