[OpenJDK 2D-Dev] RFR: 8261170: Upgrade to freetype 2.10.4

[Phil Race]

This upgrades JDK (Java2D) from using freetype 2.10.2 to 2.10.4.
A minor upgrade but there's been some refactoring of include files so most files are touched.
Testing looks good.

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Commit messages:
 - 8261170: Upgrade to freetype 2.10.4

Changes: https://git.openjdk.java.net/jdk/pull/2710/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2710&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8261170
  Stats: 4253 lines in 265 files changed: 1642 ins; 1368 del; 1243 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2710.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2710/head:pull/2710

PR: https://git.openjdk.java.net/jdk/pull/2710