RFR: 8290334: Update FreeType to 2.12.1

[Phil Race]

This is a very minor upgrade from ft 2.12.0 to 2.12.1
A good number of the changes (from upstream!) are just white space for whatever reason.

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Commit messages:
 - 8290334

Changes: https://git.openjdk.org/jdk/pull/9524/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9524&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8290334
  Stats: 67 lines in 19 files changed: 10 ins; 8 del; 49 mod
  Patch: https://git.openjdk.org/jdk/pull/9524.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9524/head:pull/9524

PR: https://git.openjdk.org/jdk/pull/9524