make_f2fs: use -g android by default

Bug: 119875846
Change-Id: Ibff18ea6f92620852222fff4073379ec8afd0e10
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
diff --git a/roots.cpp b/roots.cpp
index dc34784..4fcd6fe 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -344,12 +344,7 @@
   // clang-format off
   std::vector<std::string> make_f2fs_cmd = {
     cmd,
-    "-d1",
-    "-f",
-    "-O", "encrypt",
-    "-O", "quota",
-    "-O", "verity",
-    "-w", std::to_string(kSectorSize),
+    "-g", "android",
     v->blk_device,
   };
   // clang-format on