Merge "Build harfbuzz on top of libicu.so" am: ad7f0f5ae4 am: c08cded4cd am: b3c413d2e2

Original change: https://android-review.googlesource.com/c/platform/external/harfbuzz_ng/+/1508517

Change-Id: If3e89c519cfacbcb600050fb8421872ce1d96ad6