Revert "Do not enforce EROFS for android-T and below."

This reverts commit a571d4a9bcb96d0a797bd3c99008a40c413503d4.

Reason for revert: Incorrect fix

Bug: 237765186
Ignore-AOSP-First: cherry-pick
Change-Id: I6586c8e53cc89418d1802807a1a2e108f7e825d3
Merged-In: I6586c8e53cc89418d1802807a1a2e108f7e825d3
diff --git a/fs_mgr/tests/vts_fs_test.cpp b/fs_mgr/tests/vts_fs_test.cpp
index 3f12103..aac2cfd 100644
--- a/fs_mgr/tests/vts_fs_test.cpp
+++ b/fs_mgr/tests/vts_fs_test.cpp
@@ -28,8 +28,8 @@
 }
 
 TEST(fs, ErofsSupported) {
-    // U and higher for this test.
-    if (GetVsrLevel() <= __ANDROID_API_T__) {
+    // S and higher for this test.
+    if (GetVsrLevel() < __ANDROID_API_S__) {
         GTEST_SKIP();
     }