refine product / board definition

redroid_x86_64/BoardConfig.mk

@@ -6,6 +6,13 @@ TARGET_USES_HWC2 := true
 SMALLER_FONT_FOOTPRINT := false
 MINIMAL_FONT_FOOTPRINT := false
 
+BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
+
+TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
+
+BOARD_VENDORIMAGE_PARTITION_SIZE := 367001600
+BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := ext4
+
 # use seperate vendor partition
 TARGET_COPY_OUT_VENDOR := vendor