Rename ApkVerityTests to ApkVerityTest for consistency

This also makes TEST_MAPPING work.

Test: atest com.android.apkverity.ApkVerityTest
Test: atest -p frameworks/base/tests/ApkVerityTest:presubmit
Bug: 112039386
Change-Id: I721285770208b2a1b18ead2fa34c43e9e8bc0c46
2 files changed