Fix AtestToolsUnittests#test_index_targets failure am: 6ce2e449f8 am: 2d9149c1c1

Original change: https://googleplex-android-review.googlesource.com/c/platform/tools/asuite/+/18159182

Change-Id: I34b1b98f895cf82f62288cb8f5ec3cbf1345fa1a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>