Break apart header files.

Create libart-gtest for common runtime and compiler gtest routines.
Rename CompilerCallbacksImpl that is quick compiler specific.
Rename trace clock source constants to not use the overloaded profiler term.

Change-Id: I4aac4bdc7e7850c68335f81e59a390133b54e933
diff --git a/runtime/jni_internal.cc b/runtime/jni_internal.cc
index 845691d..e97512b 100644
--- a/runtime/jni_internal.cc
+++ b/runtime/jni_internal.cc
@@ -3002,7 +3002,7 @@
     LOG(ERROR) << "Bad JNI version passed to CreateJavaVM: " << args->version;
     return JNI_EVERSION;
   }
-  Runtime::Options options;
+  RuntimeOptions options;
   for (int i = 0; i < args->nOptions; ++i) {
     JavaVMOption* option = &args->options[i];
     options.push_back(std::make_pair(std::string(option->optionString), option->extraInfo));