[PM] Support better transition in PIA V2 (2/N)

- Migrate installation fragments to one new InstallationFragment
  except the install restriction fragment
- Adjust the min width of the dialog to the percentage

Flag: android.content.pm.use_pia_v2
Test: atest CtsPackageInstallerCUJInstallationTestCases
Bug: 274120822
Bug: 402448072
Change-Id: I66cc9e5d51d8c5b2e1208f18b18807f254f454f8