Fix activity leaks in InCallUI

We were holding a reference to anonymous inner classes in CallCardPresenter
in an static instance of ContactInfoCache, which was causing activity leaks.
Refactor ContactInfoCacheCallback into a static inner class so that this
fixes the problem.

Bug: 16657866
Change-Id: I4da5cecd556f80fafd27f919b0aaa7f00b2a96f5
2 files changed
tree: 0c79b5fd839d3a446be8443229c209b863cb97ff
  1. InCallUI/