[jdk17u-dev] RFR: 8310628: GcInfoBuilder.c missing JNI Exception checks

[john spurling]

Clean backport. Adds missing JNI exception checks in GcInfoBuilder.

Additional testing:
- [x] No new test failures with JTREG_KEYWORDS="!headful & !external-dep & !printer" make test TEST="all" on linux-aarch64-server-release

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Commit messages:
 - Backport a9c0a0f6b915f9ddaa97d83bad4f3c2b38810636

Changes: https://git.openjdk.org/jdk17u-dev/pull/2741/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2741&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310628
  Stats: 29 lines in 1 file changed: 20 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2741.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2741/head:pull/2741

PR: https://git.openjdk.org/jdk17u-dev/pull/2741