Fix a test to check duplicated phandles am: 718007765a am: bc2c5f2384 am: cee5ba9a09 am: ec8de9b1b2 am: a9e0e072e9 am: 214fbdfb83 am: 67d753fd72

Original change: https://android-review.googlesource.com/c/platform/system/libufdt/+/2385752

Change-Id: I83f7b0cdff9d3318f844cee1be4db01151b230d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>