Setup crystalball and add more perf tests

crystalball is the new perf system that we are migrating to.

The perf tests on platform side are repurposed to benchmark the platform
code and various overheads introduced by the system.
The model performance will be tracked elsewhere.

Bug: 161918490
Bug: 156886144

Test: atest TextClassifierPerfsTest
Change-Id: Ib9d204a930f5212a68407dbab576627a51dfb41e