RFR: 8256857: ARM32 builds broken after JDK-8254231

[Aleksey Shipilev]

Foreign linker broke ARM32 builds. This change stubs out the new entry points, without implementing the actual support yet.

Additional testing:
 - [x] Linux arm fastdebug cross-compilation

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

Commit messages:
 - Add debug.hpp include as well
 - 8256857: ARM32 builds broken after JDK-8254231
 - 8256857: ARM32 builds broken after JDK-8254231

Changes: https://git.openjdk.java.net/jdk/pull/1383/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1383&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8256857
  Stats: 149 lines in 9 files changed: 149 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1383.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1383/head:pull/1383

PR: https://git.openjdk.java.net/jdk/pull/1383