Update WALinuxAgent to 2.2.46

[Balint Reczey]

Impact : Microsoft has released an update to the 2.2.46 for WALinuxagent.

https://github.com/Azure/WALinuxAgent/releases/tag/v2.2.46

The latest version includes the following major fixes:

[#1741] Do not update goal state when refreshing the host plugin
[#1731] Fix upgrade sequence when update command fails
[#1725] Initialize CPU usage
[#1716, #1737] Added UTC logging and correcting the format
[#1651, #1729] Start sending PerformanceCounter metrics and additional memory information for Cgroups

Test Case :
 * First boot
   - build new images from -proposed
   - confirm that instance boots
   - run against extension
   - confirm that portal captures SSH host keys
 * Capture (VM Snapshot)
   - boot instance on Azure
   - upgrade from -proposed
   - shut instances down
   - capture instance
   - boot capture instance
   - confirm that portal capture SSH host keys
   - confirm instance has new identity
   - check /var/log/{cloud-init,waagent}.log for errors

[Launchpad Janitor (janitor)]

This bug was fixed in the package walinuxagent - 2.2.46-0ubuntu1

---------------
walinuxagent (2.2.46-0ubuntu1) focal; urgency=medium

  * New upstream version 2.2.46 (LP: #1874074)
  * debian/rules: Set timeout for running tests.
    Tests not only fail, but may also hang

 -- Balint Reczey <email address hidden> Tue, 21 Apr 2020 16:10:35 +0200