[automerger skipped] Export libtextclassifier and make some native tests working again am: a06bdc71ed am: 31806f2a8b -s ours

am skip reason: Change-Id I98b25793e9644bee43f416255911d969b31d91b7 with SHA-1 d4b52f3f0d is in history

Change-Id: I2b7351d30ebda82114ca37ce44ca1b7b8841dea0