Merge "Drop unused IAttestationManager interface" into main am: 8548e78a67

Original change: https://android-review.googlesource.com/c/platform/system/security/+/3310917

Change-Id: I55fc6252f3aff6495fd464aed945bd3bd5253974
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>