[automerger skipped] Move font tool build rules to subdir am: 702aa950 am:...

[automerger skipped] Move font tool build rules to subdir am: 702aa950 am: 7e27fd99 am: 234ee473 -s ours am: 78f4166e -s ours

am skip reason: skip tag Change-Id I5f3106b74edb91ac9db5b3e66cc61566d0f16e9b with SHA-1 9f9f90b2 is already in history

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

Change-Id: Ife612a9e0e28fc60d8d9eac36b55ea1a3177f709