Separate annotations from dexfile reading.

Bug: 22322814
Change-Id: I867d66da407dd80394a10d19903ebbc1ec3986ff
Test: test-art
diff --git a/compiler/compiler.h b/compiler/compiler.h
index ed42958..9a69456 100644
--- a/compiler/compiler.h
+++ b/compiler/compiler.h
@@ -25,10 +25,14 @@
 namespace jit {
   class JitCodeCache;
 }
+namespace mirror {
+  class DexCache;
+}
 
 class ArtMethod;
 class CompilerDriver;
 class CompiledMethod;
+template<class T> class Handle;
 class OatWriter;
 
 class Compiler {