[OpenJDK 2D-Dev] RFR: 8264317: Lanai: IncorrectUnmanagedImageRotatedClip.java fails on apple M1

[Alexey Ushakov]

Explicitly set storeAction in clear pass for stencil texture

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Commit messages:
 - 8264317: Lanai: IncorrectUnmanagedImageRotatedClip.java fails on apple M1

Changes: https://git.openjdk.java.net/jdk/pull/3651/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3651&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264317
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3651.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3651/head:pull/3651

PR: https://git.openjdk.java.net/jdk/pull/3651