Prevent app check via content provider.

Pass in the calling UID when asking PackageManager to resolve the
content provider. This makes sure PM is resolving the provider based on
the calling UID's permissions and not the system server's permissions.

Bug: 189122544
Bug: 189122545
Test: atest CtsContentTestCases
Test: atest CtsJobSchedulerTestCases
Test: atest FrameworksServicesTests:UriGrantsManagerServiceTest
Change-Id: Iaa421e982fca1e29828eda43f0762893199b5ce1