[Labservice] Add log to find unknown dut phases

Bug: b/414807502
Change-Id: I1810e6825ff33cbdbf4753a16f8385f4f85a6cc9
Reviewed-on: https://chromium-review.googlesource.com/c/infra/infra/+/7486739
Commit-Queue: Jordan Sihno Mbeleg <jordanmbeleg@google.com>
Reviewed-by: Bryan Ni <bniche@google.com>
Cr-Commit-Position: refs/heads/main@{#78460}

go/src/infra/cros/lib/duttopology/lab_to_api.go

diff --git a/go/src/infra/cros/lib/duttopology/lab_to_api.go b/go/src/infra/cros/lib/duttopology/lab_to_api.go
index e25772f..a852744 100644
--- a/go/src/infra/cros/lib/duttopology/lab_to_api.go
+++ b/go/src/infra/cros/lib/duttopology/lab_to_api.go
@@ -582,6 +582,8 @@
 			}
 			if val, ok := labapi.Phase_value[p]; ok {
 				return labapi.Phase(val)
+			} else {
+				fmt.Printf("WARNING: Labapi DUT Phase Value Not Recognized - %s", p)
 			}
 		}
 	}