Update fuelguage to use uid in AppInfo

The uid is needed to distinguish the same app used
by different users(even work profile user). So
we need to store the correct uid in AppInfo and
use it across the settings app.

Bug: 74022362
Test: RunSettingsRoboTests
Change-Id: Iaa0ea1ac1fbd3a3a1251e0cd1096d6a8c75c4ed8