Add IBurst to NN AIDL HAL -- hal

Burst executions are a sequence of executions of the same prepared model
that occur in rapid succession, such as frames of a camera capture or
successive audio samples. A burst object is used to control a set of
burst executions, and to preserve resources between executions, enabling
executions to have lower overhead.

This CL has the following changes:
1) Adds an IBurst interface to the NN AIDL HAL
2) Adds IPreparedModel::configureExecutionBurst to create an IBurst
   object
3) Extends VTS's InvalidPreparedModel to implement
   configureExecutionBurst.

Bug: 180492058
Bug: 177267324
Test: mma
Test: VTS+presubmit
Change-Id: I90cb18dcc392f07f342604a7fb2edae041848251