Add context UID to package-name-based permission query

The code for caching permission queries incorrectly used the UID of
the calling process instead of the Context UID when asking
PermissionManagerService whether a package (identified by name) has a
permission. As a result, permission checks produced incorrect results
for certain cross-user scenarios. This CL makes the checking UID part
of the package-name-based permission query.

Test: atest com.android.car.VmsPublisherSubscriberTest
Bug: 150172373
Bug: 150025558
Bug: 150140220
Change-Id: I903a9e79fbbba97ea987120066817eeea9b01d51