libsnapshot: Don't run legacy tests in VTS.

Bug: 276035159
Test: builds
Change-Id: I19bca32f636da867445c8b668d3a38ccba5c50f4

fs_mgr/libsnapshot/Android.bp

@@ -252,13 +252,6 @@ cc_defaults {
     header_libs: [
         "libstorage_literals_headers",
     ],
-    test_suites: [
-        "vts",
-        "device-tests"
-    ],
-    test_options: {
-        min_shipping_api_level: 29,
-    },
     auto_gen_config: true,
     require_root: true,
     compile_multilib: "first",
@@ -267,6 +260,13 @@ cc_defaults {
 cc_test {
     name: "vts_libsnapshot_test",
     defaults: ["libsnapshot_test_defaults", "libsnapshot_hal_deps"],
+    test_suites: [
+        "vts",
+        "device-tests"
+    ],
+    test_options: {
+        min_shipping_api_level: 30,
+    },
 }
 
 cc_test {
@@ -275,6 +275,13 @@ cc_test {
     cppflags: [
         "-DLIBSNAPSHOT_TEST_VAB_LEGACY",
     ],
+    test_suites: [
+        "device-tests"
+    ],
+    test_options: {
+        // Legacy VAB launched in Android R.
+        min_shipping_api_level: 30,
+    },
 }
 
 cc_test {
@@ -283,6 +290,13 @@ cc_test {
     cppflags: [
         "-DLIBSNAPSHOT_TEST_VABC_LEGACY",
     ],
+    test_suites: [
+        "device-tests"
+    ],
+    test_options: {
+        // Legacy VABC launched in Android S.
+        min_shipping_api_level: 31,
+    },
 }
 
 cc_test {