Set userland-proxy as false for azure-linux-3 (microsoft#3359)

Set userland-proxy as false for cloud-hypervisor
tests for azure-linux-3

Signed-off-by: Smit Gardhariya <sgardhariya@microsoft.com>

Add set_kill_user_processes to disable KillUserProcesses to avoid tes…

…t processes being terminated when the SSH session is reset

serial console: remove unused token

get hyperv_generation for shared gallery image

fix test skip issue for SCSI disk controller type when it is gen2 image

Revert Architecture Type key

Mistakenly changed in 2e7180d

remove arm_template.json

add_cloud_init_test (microsoft#3289)

* add_cloud_init_test

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* remove limiting the test to mariner

* limit test only to mariner and more warning/error patter

* address review comments

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* fix lint

* modify pattern

* change pattern

VMAccess Fix - Add user to wheel group in Mariner 2.0 before running …

…'su' (microsoft#3288)

* Fixes to allow running 'su' on mariner

* Fixes for add_secret etc.

* Fix flake8 error with line length

Initialize package before adding repo for SUSE image to avoid system …

…locked