Cache LocalCallingIdentity across FUSE requests

We now listen for app op changes for packages and invalidate the
LocalCallingIdentity cache entry for the uid.

Additionally, we invalidate the cache entry on any package changes
like install/uninstall for the uid.

Test: Manual
Bug: 148904081
Merged-In: I9811efca7af223eaf99e28c79a948eca41579dbe
Change-Id: I9811efca7af223eaf99e28c79a948eca41579dbe
(cherry picked from commit 0c60333505079e1ab294bc69dd64a89c2887bc0a)
2 files changed