Merge "Simplify slicing related structs." am: df3a0dcaeb am: d05c09e504

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1626964

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9ce6285fb11973d35a2cc520b8033619ca5c16a5