Disable journaling to save system.img space.

Bug: 18430740
Change-Id: I45720c59d3a379dda5fa171425fb71caa852b432
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 767f08b..4e2eb7c 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -54,6 +54,8 @@
 TARGET_RECOVERY_FSTAB = device/samsung/manta/fstab.manta
 TARGET_USERIMAGES_USE_EXT4 := true
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 685768704
+# Disable journaling on system.img to save space.
+BOARD_SYSTEMIMAGE_JOURNAL_SIZE := 0
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 14273216512
 BOARD_CACHEIMAGE_PARTITION_SIZE := 553648128
 BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE := ext4