Regenerate ART test files (2024-06-20).

This change enables build- and run-time support in automated
executions for the following tests in post-submit runs:

* `art-run-test-857-default-access`
* `art-run-test-2275-integral-unsigned-arithmetic`

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

  $ art/test/utils/regen-test-files
  Generated Blueprint files for 738 ART run-tests out of 1033 (71%).
  Generated TEST_MAPPING entries for 457 ART run-tests out of 1033 (44%):
    452 ART run-tests (98%) in `art-mainline-presubmit` test group.
    452 ART run-tests (98%) in `mainline-presubmit` test group.
    452 ART run-tests (98%) in `presubmit` test group.
      5 ART run-tests (1%) in `postsubmit` test group.
     24 ART gtests (100%) in `mainline-presubmit` test group.
     24 ART gtests (100%) in `presubmit` test group.
      0 ART gtests (0%) in `presubmit` test group.
    Note: Tests in `*presubmit` test groups are executed in pre- and
          post-submit test runs. Tests in the `postsubmit` test group
          are only executed in post-submit test runs.

Flag: TEST_ONLY
Test: atest -a art-run-test-857-default-access
Test: atest -a art-run-test-2275-integral-unsigned-arithmetic
Test: atest --test-mapping art:postsubmit
Bug: 147812905
Bug: 152374989
Change-Id: Id8121ca329e28aa52d5e0f77be43e463cc66c886