Merge "add3prf.py: Add detection of LICENSE-BSD file" into main am: 299e46aaf1

Original change: https://android-review.googlesource.com/c/platform/development/+/2924730

Change-Id: Ia08df2d05293c0795fe9a4526bd8a826e372f2fc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>