hardware/intel/common/utils: use proper nativehelper headers

libnativehelper exports headers under nativehelper. These were
available before incorrectly as global headers in order to give
access to jni.h.

Test: modules using hardware/intel/common/utils find headers
Bug: 63762847
Change-Id: I0f7101c7308e5fa3d6eb13a53cdb445bfd61e65d
diff --git a/ituxd/jni/onload.cpp b/ituxd/jni/onload.cpp
index f66a169..7b650d1 100644
--- a/ituxd/jni/onload.cpp
+++ b/ituxd/jni/onload.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "JNIHelp.h"
+#include <nativehelper/JNIHelp.h>
 #include "jni.h"
 #include "utils/Log.h"
 #include "utils/misc.h"
diff --git a/ituxd/jni/thermalJNI.cpp b/ituxd/jni/thermalJNI.cpp
index 8a64906..27bcef7 100644
--- a/ituxd/jni/thermalJNI.cpp
+++ b/ituxd/jni/thermalJNI.cpp
@@ -16,7 +16,7 @@
 
 #define LOG_TAG "ThermalManagerJNI"
 
-#include "JNIHelp.h"
+#include <nativehelper/JNIHelp.h>
 #include "jni.h"
 #include <utils/Log.h>
 #include <utils/misc.h>