Relocate ExecutionBurst* classes to NN util code am: f6b2d1ada3 am: 6c3ab4c2ad

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1554338

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia0e046fec965ec534719d366e9ab990f31d5b402