[PM] Fine tine the UI of ADI

- Remove <p> in some strings
- Update the touch area and the gap between the link and the more
  details
- Update the gap between expanded part and the link
- Do some refactor

Bug: 434769846
Bug: 360129657
FLAG: android.content.pm.verification_service
Test: manual
Change-Id: I54c0a1757c7bbc3e9c10a756408710cba8fbc2a3