System package permission decls take precedence over 3rd party apps'

In particular, if a 3rd party app tries to define a permission that
turns out to be defined by system packages following an upgrade,
the system package gets ownership and grants are re-evaluated
on that basis.

Bug 11242510

Change-Id: Id3a2b53d52750c629414cd8226e33e5e03dd0c54
1 file changed