emmc_optimized means stable_inodes

If the emmc_optimized filesystem flag is set, then like
inlinecrypt_optimized, we have to ensure that stable_inodes is set
on the filesystem.

Bug: 144046242
Test: Cuttlefish, ext4: set the flag in fstab, check for the
    stable_inodes flag using tunefs -l
Cherry-Picked-From: c2f37683bc0e380c866a31ba6a05587b0f81d57e
Merged-In: Id7f906564457c240ddf6677dd536698881385385
Change-Id: Id7f906564457c240ddf6677dd536698881385385
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 76e3955..b8385d3 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -454,7 +454,8 @@
                << entry.encryption_options;
         return;
     }
-    if ((options.flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64) != 0) {
+    if ((options.flags &
+         (FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 | FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32)) != 0) {
         // We can only use this policy on ext4 if the "stable_inodes" feature
         // is set on the filesystem, otherwise shrinking will break encrypted files.
         if ((sb->s_feature_compat & cpu_to_le32(EXT4_FEATURE_COMPAT_STABLE_INODES)) == 0) {