Set ro.build.characteristics to the value from PRODUCT_CHARACTERISTICS that's also passed to aapt.

Bug: 3144768
Change-Id: Ic1724c64d015de7a5c4f13709b91db51b8f10872
diff --git a/core/Makefile b/core/Makefile
index f6a8191..ca7eba0 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -149,6 +149,7 @@
 			TARGET_BOARD_PLATFORM="$(TARGET_BOARD_PLATFORM)" \
 			TARGET_CPU_ABI="$(TARGET_CPU_ABI)" \
 			TARGET_CPU_ABI2="$(TARGET_CPU_ABI2)" \
+			TARGET_AAPT_CHARACTERISTICS="$(TARGET_AAPT_CHARACTERISTICS)" \
 	        bash $(BUILDINFO_SH) > $@
 	$(hide) if [ -f $(TARGET_DEVICE_DIR)/system.prop ]; then \
 	          cat $(TARGET_DEVICE_DIR)/system.prop >> $@; \