Allow btservices to use hash library am: ad03f72677 am: 7c922ffed1 am: 0babcddf30

Original change: https://android-review.googlesource.com/c/platform/external/libtextclassifier/+/2841675

Change-Id: Ia19c4bba57dafda83e551532232a52b92762da19
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>