Run e2fsck on built sparse images.

Bug: 7591683
Change-Id: Id1cba79f7840aab1f0327cb741eda655b45d1b46
diff --git a/core/Makefile b/core/Makefile
index e0f6da8..5a60e85 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -556,7 +556,7 @@
 endif
 
 ifeq ($(INTERNAL_USERIMAGES_USE_EXT),true)
-INTERNAL_USERIMAGES_DEPS := $(MKEXTUSERIMG) $(MAKE_EXT4FS)
+INTERNAL_USERIMAGES_DEPS := $(MKEXTUSERIMG) $(MAKE_EXT4FS) $(SIMG2IMG) $(E2FSCK)
 else
 INTERNAL_USERIMAGES_DEPS := $(MKYAFFS2)
 endif