Support make_f2fs.static for android flashstation

$ ldd make_f2fs.static
not a dynamic executable

Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Change-Id: If10866ba7fb30a1555885bdfe49d1e6e8b8d9a38
diff --git a/Android.bp b/Android.bp
index 27ef5b6..48cdcd9 100644
--- a/Android.bp
+++ b/Android.bp
@@ -204,6 +204,19 @@
     },
 }
 
+cc_binary_host {
+    name: "make_f2fs.static",
+    defaults: [
+        "make_f2fs_defaults",
+    ],
+    target: {
+        host: {
+            ldflags: ["-static"],
+        },
+    },
+    stl: "libc++_static",
+}
+
 cc_binary {
     name: "fsck.f2fs",
     defaults: [