Merge "Camera: Clarify ERROR_REQUEST callback" into rvc-dev am: ee71769ebc am: 2d58ef67de am: 8511acbc84

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/11689356

Change-Id: I26d87f080baacab822a10c5e859d23f512d11564