Frameworks/base: Consistency in core/jni

Make consistent use of core_jni_helpers for registration.

Translate some #ifdefs into const bools.

Change-Id: I37639aa053dd50f003a552cbd8550dddecc811c5
diff --git a/core/jni/android_hardware_UsbRequest.cpp b/core/jni/android_hardware_UsbRequest.cpp
index a3c7b0a..ce99e15 100644
--- a/core/jni/android_hardware_UsbRequest.cpp
+++ b/core/jni/android_hardware_UsbRequest.cpp
@@ -20,7 +20,7 @@
 
 #include "jni.h"
 #include "JNIHelp.h"
-#include "android_runtime/AndroidRuntime.h"
+#include "core_jni_helpers.h"
 
 #include <usbhost/usbhost.h>
 
@@ -215,7 +215,7 @@
         return -1;
     }
 
-    return AndroidRuntime::registerNativeMethods(env, "android/hardware/usb/UsbRequest",
+    return RegisterMethodsOrDie(env, "android/hardware/usb/UsbRequest",
             method_table, NELEM(method_table));
 }