Update Android.bp following external/flatbuffers rebase am: caa8c1033a am: 0da9668207 am: 262c46b195 am: 62ff054c6b am: 0c255e1ffc

Original change: https://android-review.googlesource.com/c/platform/external/libtextclassifier/+/2193466

Change-Id: I43640cd5b26210c776f4186662927d69e43cced3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>