Merge "fix empty test detection for cargo workspaces" into main am: c80db6c83f

Original change: https://android-review.googlesource.com/c/platform/development/+/2804478

Change-Id: I109f6b72a48bd543a281baf0ea6b3de2005daa8c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>