[PM] Update the flags when launch PIA V2

Flag: android.content.pm.use_pia_v2
Test: manual. video
Test: atest CtsContentProviderTestsWithVisibility
Test: atest CtsContentProviderTestsWithoutVisibility
Test: atest CtsPackageInstallerCUJInstallationViaIntentForResultTestCases
Test: atest CtsPackageInstallerCUJInstallationTestCases
Test: atest CtsPackageInstallerCUJInstallationViaSessionTestCases
Test: atest CtsPackageInstallerCUJUpdateOwnerShipTestCases
Test: atest CtsPackageInstallerCUJUpdateSelfTestCases
Bug: 438459071
Change-Id: I96e974adeda930b9ef2e03255d7b4aeaaf55edff