Merge "Verify op_ is not a nullptr" am: 2d63764c34 am: a8b92e548f am: 3284c9aec4 am: 270df536e2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1940573

Change-Id: I1f9528c2abc699b27d77b3be1ffbb6897c9f11c8