[automerger skipped] Move font tool build rules to subdir am: 702aa95096 am: 7e27fd99aa am: 234ee47342 -s ours

am skip reason: skip tag Change-Id I5f3106b74edb91ac9db5b3e66cc61566d0f16e9b with SHA-1 9f9f90b260 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1673389

Change-Id: I24de37b1aa57ea91695ab16ebb58cc8343077301