Integrated: 8261960: replaceTextureRegion throws error when Metal API validation is enabled

[Jayathirth D V]

Return from replaceTextureRegion when we have invalid texture coordinates.

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

Commit messages:
 - 8261960: replaceTextureRegion throws error when Metal API validation is enabled

Changes: https://git.openjdk.java.net/lanai/pull/197/files
 Webrev: https://webrevs.openjdk.java.net/?repo=lanai&pr=197&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8261960
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/lanai/pull/197.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/197/head:pull/197

PR: https://git.openjdk.java.net/lanai/pull/197