Make remaining compiler/ symbols hidden.

And mark required symbols with EXPORT.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing --jit
Change-Id: I1b4e3c1ef9006924456dc36ec906bf74b62adab4
diff --git a/compiler/compiler.h b/compiler/compiler.h
index 6115d02..ce785bb 100644
--- a/compiler/compiler.h
+++ b/compiler/compiler.h
@@ -17,12 +17,13 @@
 #ifndef ART_COMPILER_COMPILER_H_
 #define ART_COMPILER_COMPILER_H_
 
+#include "base/macros.h"
 #include "base/mutex.h"
 #include "base/os.h"
 #include "compilation_kind.h"
 #include "dex/invoke_type.h"
 
-namespace art {
+namespace art HIDDEN {
 
 namespace dex {
 struct CodeItem;
@@ -52,9 +53,9 @@
     kOptimizing
   };
 
-  static Compiler* Create(const CompilerOptions& compiler_options,
-                          CompiledCodeStorage* storage,
-                          Kind kind);
+  EXPORT static Compiler* Create(const CompilerOptions& compiler_options,
+                                 CompiledCodeStorage* storage,
+                                 Kind kind);
 
   virtual bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file) const = 0;