Sync eng/common directory with azure-sdk-tools for PR 1748 (#19567)

* Simplify Ubuntu image name check for dns bypass

Author: azure-sdk

eng/common/pipelines/templates/steps/bypass-local-dns.yml

@@ -6,11 +6,6 @@ steps:
       condition: |
         and(
           succeededOrFailed(),
-          or(
-            eq(variables['OSVmImage'], 'ubuntu-18.04'),
-            eq(variables['OSVmImage'], 'ubuntu-20.04'),
-            eq(variables['OSVmImage'], 'MMSUbuntu18.04'),
-            eq(variables['OSVmImage'], 'MMSUbuntu20.04')
-          ),
+          contains(variables['OSVmImage'], 'ubuntu'),
           eq(variables['Container'], '')
         )