RFR: 8131136: java/awt/font/JNICheck/JNICheck.sh issue warning on core-libs code

[Daniel Jeliński]

Add an exception check after a JNI static method call, and re-enable checks for CallStatic in JNICheck.sh test.

I verified that the JNICheck test is passing on all headless and headful platforms I had access to (Windows, Linux and Mac). Other tier1-3 tests also continue to pass.

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Commit messages:
 - Fix JNICheck issue

Changes: https://git.openjdk.org/jdk/pull/25754/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25754&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8131136
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/25754.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25754/head:pull/25754

PR: https://git.openjdk.org/jdk/pull/25754