ART: Align jvmti.h with jni.h

Android follows the JNI specification and names the JNI function
table without the underscore.

Bug: 34343708
Test: m test-art-host
Change-Id: I05d73734545f9077ad66aceb335bdc8a76603a71
diff --git a/runtime/openjdkjvmti/jvmti.h b/runtime/openjdkjvmti/jvmti.h
index ee708cb..de07c16 100644
--- a/runtime/openjdkjvmti/jvmti.h
+++ b/runtime/openjdkjvmti/jvmti.h
@@ -74,7 +74,7 @@
 typedef jlong jlocation;
 struct _jrawMonitorID;
 typedef struct _jrawMonitorID *jrawMonitorID;
-typedef struct JNINativeInterface_ jniNativeInterface;
+typedef struct JNINativeInterface jniNativeInterface;
 
     /* Constants */