Add ELF index to art::compiler_llvm::CompilationUnit.

We need an ELF index to remember which ELF image contains
the CompiledMethod or CompiledInvokeStub.

(cherry picked from commit df612fb98fabeec2fa7277c7ab332589fa38283c)

Change-Id: Ic8a4aca7d030685e156c9f3fe632bf45a5c4d02b
3 files changed
tree: 372d471f0d9603d3381a195b0eb5f2c386504adb
  1. build/
  2. jdwpspy/
  3. src/
  4. test/
  5. tools/
  6. .gitignore
  7. Android.mk