frameworks/base: 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 frameworks/base find headers
Bug: 63762847
Change-Id: I0f9f231acdebe460f279135462f43d3e32eff64d
diff --git a/core/jni/android_view_SurfaceControl.cpp b/core/jni/android_view_SurfaceControl.cpp
index bc35939..d18fc2d 100644
--- a/core/jni/android_view_SurfaceControl.cpp
+++ b/core/jni/android_view_SurfaceControl.cpp
@@ -24,8 +24,8 @@
 #include "core_jni_helpers.h"
 
 #include <android-base/chrono_utils.h>
-#include <JNIHelp.h>
-#include <ScopedUtfChars.h>
+#include <nativehelper/JNIHelp.h>
+#include <nativehelper/ScopedUtfChars.h>
 #include <android_runtime/android_view_Surface.h>
 #include <android_runtime/android_view_SurfaceSession.h>
 #include <gui/Surface.h>