Add test `art-apex-update-rollback` to ART's Test Mapping presubmits.

Output of `art/test/utils/regen-test-files`:

  $ art/test/utils/regen-test-files
  Generated Blueprint files for 664 ART run-tests out of 959 (69%).
  Generated TEST_MAPPING entries for 410 ART run-tests out of 959 (42%):
    410 ART run-tests (100%) in `mainline-presubmit` test group.
     20 ART gtests (95%) in `mainline-presubmit` test group.
    410 ART run-tests (100%) in `presubmit` test group.
     21 ART gtests (100%) in `presubmit` test group.

Test: atest --test-mapping art:presubmit
Bug: 204887479
Change-Id: I972038aceae1a6a2731a2738a6a15c19b7c2eb77
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 73741d7..5cbbd4c 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -1309,6 +1309,9 @@
       "name": "CtsJdwpTestCases"
     },
     {
+      "name": "art-apex-update-rollback"
+    },
+    {
       "name": "art_standalone_dexpreopt_tests"
     },
     {
@@ -2613,6 +2616,9 @@
       "name": "ComposHostTestCases"
     },
     {
+      "name": "art-apex-update-rollback"
+    },
+    {
       "name": "art_standalone_dexpreopt_tests"
     },
     {
diff --git a/test/utils/regen-test-files b/test/utils/regen-test-files
index 24eb19e..fc7c360 100755
--- a/test/utils/regen-test-files
+++ b/test/utils/regen-test-files
@@ -551,6 +551,7 @@
         "BootImageProfileTest",
         "ComposHostTestCases",
         "CtsJdwpTestCases",
+        "art-apex-update-rollback",
         "art_standalone_dexpreopt_tests",
     ]
     presubmit_tests = other_presubmit_tests + run_test_module_names + art_gtest_module_names