Fix for goat detection code

Since as of R, apps can no longer query other apps by default,
deprecate the isUserAGoat API's undocumented behavior and
always return false.

Fixes: 156543788
Test: atest CtsMultiUserTestCases
Change-Id: I9743d87b762aabb01dc010ba6d5a6c01643a1f92
1 file changed