Fixes gcar_emu boot

Bug: 123029219
Test: lunch gcar_emu_x86-userdebug && emulator
Change-Id: I699f6eea73efd4d92ffd7e01e2a66af96d2f9a23
diff --git a/car_product/build/car.mk b/car_product/build/car.mk
index bfe12d6..cdad5b0 100644
--- a/car_product/build/car.mk
+++ b/car_product/build/car.mk
@@ -47,9 +47,8 @@
 BOARD_SEPOLICY_DIRS += packages/services/Car/car_product/sepolicy/test
 endif
 
-PRODUCT_COPY_FILES := \
-    frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf \
-    packages/services/Car/car_product/preloaded-classes-car:system/etc/preloaded-classes \
+PRODUCT_COPY_FILES += \
+    frameworks/av/media/libeffects/data/audio_effects.conf:system/etc/audio_effects.conf
 
 PRODUCT_PROPERTY_OVERRIDES += \
     ro.carrier=unknown \
diff --git a/car_product/preloaded-classes-car b/car_product/preloaded-classes-car
deleted file mode 100644
index 962099f..0000000
--- a/car_product/preloaded-classes-car
+++ /dev/null
@@ -1 +0,0 @@
-# Classes which are preloaded by com.android.internal.os.ZygoteInit.