Merge "Camera: Add framework-only enum value to test pattern mode" into sc-dev...

Merge "Camera: Add framework-only enum value to test pattern mode" into sc-dev am: 0dd1d390 am: 8591da6d am: d0b313bb

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/14752518

Change-Id: I99ba4db7f2dc3cfb03767634ddd9c7edade2325f