Move GraphicsStatsService native method registration to zygote.

It used to be in system server, but this is for a class in boot
classpath so we can move it to AndroidRuntime.cpp and avoid system
server dirtying memory for these methods.

Test: m
Bug: 162110941
Change-Id: Ifda5957aab757fe47c97b1aee0a6a8b7a059ac3d

core/jni/AndroidRuntime.cpp

@@ -1564,6 +1564,7 @@ static const RegJNIRec gRegJNI[] = {
         REG_JNI(register_android_graphics_classes),
         REG_JNI(register_android_graphics_BLASTBufferQueue),
         REG_JNI(register_android_graphics_GraphicBuffer),
+        REG_JNI(register_android_graphics_GraphicsStatsService),
         REG_JNI(register_android_graphics_SurfaceTexture),
         REG_JNI(register_android_database_CursorWindow),
         REG_JNI(register_android_database_SQLiteConnection),

services/core/jni/onload.cpp

@@ -103,7 +103,6 @@ extern "C" jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
     register_android_server_HardwarePropertiesManagerService(env);
     register_android_server_storage_AppFuse(env);
     register_android_server_SyntheticPasswordManager(env);
-    register_android_graphics_GraphicsStatsService(env);
     register_android_hardware_display_DisplayViewport(env);
     register_android_server_am_CachedAppOptimizer(env);
     register_android_server_am_LowMemDetector(env);