chore: release gapic-generator-java v1.0.17 (#47)

Committer: @miraleung
PiperOrigin-RevId: 388499329

Source-Link: googleapis/googleapis@bb0a090

Source-Link: googleapis/googleapis-gen@d196f38

google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceStub.java

@@ -335,7 +335,13 @@ public UnaryCallable<RemovePublicKeyRequest, Operation> removePublicKeyCallable(
 
   @Override
   public final void close() {
-    shutdown();
+    try {
+      backgroundResources.close();
+    } catch (RuntimeException e) {
+      throw e;
+    } catch (Exception e) {
+      throw new IllegalStateException("Failed to close resource", e);
+    }
   }
 
   @Override