android: thread local env

Source/Core/InputCommon/ControllerInterface/Android/Android.cpp

@@ -237,10 +237,8 @@ void Touchscreen::Motor::SetState(ControlState state)
 
 void Touchscreen::Motor::Rumble(int padID, double state)
 {
-  JNIEnv* env;
-  IDCache::GetJavaVM()->AttachCurrentThread(&env, nullptr);
+  JNIEnv* env = IDCache::GetEnvForThread();
   env->CallStaticVoidMethod(IDCache::GetNativeLibraryClass(), IDCache::GetDoRumble(), padID, state);
-  IDCache::GetJavaVM()->DetachCurrentThread();
 }
 }  // namespace Android
 }  // namespace ciface