Set PRODUCT_BRAND to fix aosp builds

BUG: 110784510
Test: Local build
Change-Id: Iffa0b64f1a5acc4333b394330fe61711cba64f1e
diff --git a/shared/auto/device.mk b/shared/auto/device.mk
index dafff37..4b9efd8 100644
--- a/shared/auto/device.mk
+++ b/shared/auto/device.mk
@@ -69,3 +69,6 @@
 $(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base.mk)
 $(call inherit-product, frameworks/native/build/phone-xhdpi-2048-dalvik-heap.mk)
 $(call inherit-product, packages/services/Car/car_product/build/car.mk)
+
+# Placed here due to b/110784510
+PRODUCT_BRAND := generic