Merge "Alter spec text for RSA-PSS to match reality" am: 34288aa2ee am: 8f5d443be9 am: 5485a72dd9

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1922461

Change-Id: Iea5da7a1c005887ce324997b15679ac2ecce8889