b/312963270 Ignore VPC-SC inaccessible projects (#16)

When encountering a project that's inacessible because of
VPC SC policies, emit a warning and continue with other
projects.

sources/Google.Solutions.LicenseTracker/Services/InstanceHistoryService.cs

@@ -149,6 +149,26 @@ await instances.ConfigureAwait(false),
  await nodes.ConfigureAwait(false),
  await disks.ConfigureAwait(false),
  projectId);
+
+ //
+ // Query logs to replay history.
+ // 
+ // NB. We could query mutliple projects at once, but the API
+ // quickly becomes unreliable (read: throws random 500 errors)
+ // when doing so. Therefore, we're conservative and only query
+ // one project at a time.
+ //
+ await this.auditLogAdapter
+ .ProcessInstanceEventsAsync(
+ new[] { projectId },
+ builder.StartDate,
+ builder,
+ cancellationToken)
+ .ConfigureAwait(false);
+
+ this.logger.LogInformation(
+ "Finished analyzing placement history for project {project}...",
+ projectId);
  }
  catch (ResourceAccessDeniedException e)
  {
@@ -157,26 +177,6 @@ await disks.ConfigureAwait(false),
  projectId,
  e.FullMessage());
  }
-
- //
- // Query logs to replay history.
- // 
- // NB. We could query mutliple projects at once, but the API
- // quickly becomes unreliable (read: throws random 500 errors)
- // when doing so. Therefore, we're conservative and only query
- // one project at a time.
- //
- await this.auditLogAdapter
- .ProcessInstanceEventsAsync(
- new[] { projectId },
- builder.StartDate,
- builder,
- cancellationToken)
- .ConfigureAwait(false);
-
- this.logger.LogInformation(
- "Finished analyzing placement history for project {project}...",
- projectId);
  }
 
  return builder.Build();