Add make_f2fs into GSI

The userdata partition of some devices is formatted in f2fs,
and could be formatted in runtime. This is a configurable
feature of AOSP, so GSI enables the setting:

    TARGET_USERIMAGES_USE_F2FS

to support it.

Bug: 67916560
Bug: 66925248
Test: build pass and check the make_f2fs in the image
Test: boot a pixel device with GSI to home screen
Change-Id: Id350c4e07a9c0dc0f0a547b3146626053c88b8ab
diff --git a/target/board/treble_common.mk b/target/board/treble_common.mk
index ec711c2..fd3363c 100644
--- a/target/board/treble_common.mk
+++ b/target/board/treble_common.mk
@@ -30,7 +30,10 @@
 TARGET_NO_KERNEL := true
 
 # system.img is always ext4 with sparse option
+# GSI also includes make_f2fs to support userdata parition in f2fs
+# for some devices
 TARGET_USERIMAGES_USE_EXT4 := true
+TARGET_USERIMAGES_USE_F2FS := true
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false
 TARGET_USES_MKE2FS := true