Merge "Move legacy_blob tests into separate file" into main am: 6ed506f4d3

Original change: https://android-review.googlesource.com/c/platform/system/security/+/3184639

Change-Id: I0f0afb10a4135340eaa5f440aaaa2fe2e0d2cc04
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>