Move CredentialProviderInfo for test/settings (settings)

This is a precusor CL to adding a subtitle for settings
to use so we need to move CPI where it can be used
by settings, atest and CTS.

Test: ondevice & atest & cts
Bug: 253157366
Change-Id: Ief25f562eb5c2ca4438701de8a8e26941a8370a3
(cherry picked from commit on googleplex-android-review.googlesource.com host: 573e8442)
Merged-In: Ief25f562eb5c2ca4438701de8a8e26941a8370a3