Merge "Allow getPsdsExtension to return nullptr" into stage-aosp-sc-ts-dev am: a5a3c1ece1 am: f95af27db6 am: 358c6f3eed

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/15695413

Change-Id: I859cb19b596d5d3622d96e1d016e6d91096e710e