[veridex] New veridex improvements.

1) Take the type of the receiver on a getClass call.
2) Dedupe reflection uses in precise hidden API finder.
3) Don't do a cheap check that a method is resolved, in case the app
   itself is defining a blacklisted API.

bug: 77513322
Test: m

Change-Id: I8008c2336984e3115b1ae41b53344e0e77091063
4 files changed