Merge "biometric: Add nullable to api for crypto" into main am: 6fff31bf am:...

Merge "biometric: Add nullable to api for crypto" into main am: 6fff31bf am: 8066d8ec am: 86e7a19c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2784169



Change-Id: If714b85cb371c829c69d492b6e7e7b738959e1e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>