[jdk21u-dev] RFR: 8358697: TextLayout/MyanmarTextTest.java passes if no Myanmar font is found

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle

-------------

Commit messages:
 - Backport bcad87eacbd7fbfd3254479b7e061bab34e64aec

Changes: https://git.openjdk.org/jdk21u-dev/pull/2052/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2052&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8358697
  Stats: 33 lines in 1 file changed: 7 ins; 14 del; 12 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2052.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2052/head:pull/2052

PR: https://git.openjdk.org/jdk21u-dev/pull/2052