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

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

Change-Id: I2f321cb7a3f813b791c6707eb6cc2f320694ae9d