RFR: 8263465: JDK-8236847 causes tier1 build failure on linux-aarch64

[Yumin Qi]

Hi, Please review

  JDK-8236847 changes failed on build linux-aarch64 on xcross build. The reason is we check BUILD_CDS_ARCHIVE which is not correct in such case. We should check ENABLE_CDS instead.

Thanks
Yumin

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Commit messages:
 - 8263465: JDK-8236847 causes tier1 build failure on linux-aarch64

Changes: https://git.openjdk.java.net/jdk/pull/2946/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2946&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263465
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2946.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2946/head:pull/2946

PR: https://git.openjdk.java.net/jdk/pull/2946