DO NOT MERGE Fix all unsafe caching to be like libcore.

This way, if a runtime is restarted within a process, we re-initialize all
the cached data.

Conflicts:

	src/native/java_lang_Runtime.cc -- nativeExit lost an argument in dalvik-dev

(cherry picked from commit 7756d5473fa27ce7e6ac7c31770eef7030431da4)

Change-Id: I6184fc20c2a9ec16c4b053584a4d1c3b64452d0f
diff --git a/src/native/sun_misc_Unsafe.cc b/src/native/sun_misc_Unsafe.cc
index 8cc549a..360f241 100644
--- a/src/native/sun_misc_Unsafe.cc
+++ b/src/native/sun_misc_Unsafe.cc
@@ -17,8 +17,6 @@
 #include "jni_internal.h"
 #include "object.h"
 
-#include "JniConstants.h" // Last to avoid problems with LOG redefinition.
-
 namespace art {
 
 static jlong Unsafe_objectFieldOffset0(JNIEnv* env, jclass, jobject javaField) {
@@ -187,7 +185,7 @@
 };
 
 void register_sun_misc_Unsafe(JNIEnv* env) {
-  jniRegisterNativeMethods(env, "sun/misc/Unsafe", gMethods, NELEM(gMethods));
+  REGISTER_NATIVE_METHODS("sun/misc/Unsafe");
 }
 
 }  // namespace art