RFR: 8262496: Lanai: Do not use resources of off-line MTLDevice

[Alexey Ushakov]

Added necessary checks and invalidates of the resources before the usage

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Commit messages:
 - 8262496: Lanai: Do not use resources of off-line MTLDevice

Changes: https://git.openjdk.java.net/lanai/pull/204/files
 Webrev: https://webrevs.openjdk.java.net/?repo=lanai&pr=204&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8262496
  Stats: 390 lines in 11 files changed: 273 ins; 92 del; 25 mod
  Patch: https://git.openjdk.java.net/lanai/pull/204.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/204/head:pull/204

PR: https://git.openjdk.java.net/lanai/pull/204