[jdk11u-dev] RFR: 8301998: Update HarfBuzz to 7.0.1

[Goetz Lindenmaier]

I backport this for parity with 11.0.20-oracle.

I had to resolve the makefile. Trivial.

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Commit messages:
 - Backport f969f811a71603f39e4ab42f1362271b7a4d303d

Changes: https://git.openjdk.org/jdk11u-dev/pull/1864/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1864&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8301998
  Stats: 41621 lines in 271 files changed: 24533 ins; 11231 del; 5857 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1864.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1864/head:pull/1864

PR: https://git.openjdk.org/jdk11u-dev/pull/1864