mkf2fsuserimg.sh: support sload_f2fs

Change-Id: I29619b034d3b0323ae2bda46ac4a0d0595871dec
Exempt-From-Owner-Approval: No owner listed
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
diff --git a/f2fs_utils/Android.bp b/f2fs_utils/Android.bp
index b5d6c9b..7a83278 100644
--- a/f2fs_utils/Android.bp
+++ b/f2fs_utils/Android.bp
@@ -40,6 +40,6 @@
     name: "mkf2fsuserimg.sh",
 
     srcs: ["mkf2fsuserimg.sh"],
-
+    required: ["make_f2fs", "sload_f2fs"],
     host_supported: true,
 }