Use a shared password text view for PIN lock

This new library will be shared with external.

Bug: 270108982
Test: Manual test by building and flashing on local
Test: Tested  both hinting and non-hinting pin view. Tested append, delete, full delete, reset, lockout and talkback
Change-Id: I0ddc7c46848c5430d08d2b39ffa0a524e695ebc0
6 files changed