Move ondeviceintelligence files to packages/NeuralNetworks

This change moves all ondeviceintelligence changes to the intermediate
folder under packages/NeuralNetworks.

The filegroup from here is utilized in packages/modules/NeuralNetwork
to conditionally add this jar to the neuralnetworks APEX or platform
based on the build flag value.

Flag: build.release_ondevice_intelligence_module
Bug: 376427781
Change-Id: I80fa114e6239f595e80d484e41865fd5a77462ae
42 files changed