constify JNINativeMethod function pointer tables

Change-Id: I4036c924958221cbc644724f8eb01c5de3cd7954
diff --git a/core/jni/android_util_EventLog.cpp b/core/jni/android_util_EventLog.cpp
index 5cb8b2e..b6497be 100644
--- a/core/jni/android_util_EventLog.cpp
+++ b/core/jni/android_util_EventLog.cpp
@@ -229,7 +229,7 @@
 /*
  * JNI registration.
  */
-static JNINativeMethod gRegisterMethods[] = {
+static const JNINativeMethod gRegisterMethods[] = {
     /* name, signature, funcPtr */
     { "writeEvent", "(II)I", (void*) android_util_EventLog_writeEvent_Integer },
     { "writeEvent", "(IJ)I", (void*) android_util_EventLog_writeEvent_Long },