vmm_tests: updating memory validation baselines and re-enabling tests

[dpaliulis-msft]

To re-enable memory validation checks, baseline values have been updated to pass for the memory usage of current underhill builds.

Changes:

• Updated all memory validation baselines to pass for the latest memory usage
• Enable memory validation checks in the CI/CD pipeline

[Copilot]

Pull Request Overview

This PR re-enables memory validation checks in the vmm_tests suite by updating baseline values to match current underhill build memory usage. The tests were previously disabled due to higher memory usage in Intel GP and Intel TDX tests.

• Re-enabled memory validation assertions in 4 test functions (release/debug × small/very_heavy)
• Updated memory baseline values across all architectures (aarch64, gp-x64, intel-tdx, amd-snp) and configurations (2vp, 32vp, 64vp)

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
vmm_tests/vmm_tests/tests/tests/multiarch/memstat.rs	Re-enabled memory validation assertions in 4 test functions by changing the assert_against_baseline parameter from false to true
vmm_tests/vmm_tests/test_data/memstat_baseline.json	Updated all memory baseline values (usage, reservation, Pss, Pss_Anon) for debug and release builds across all architectures and VP configurations to reflect current memory usage