Use explicit user id for sensor privacy manager

Recent changes to the SensorPrivacyManager will cause it to default to
using the context user for these interactions, which will always be user
0 for SysUI. Therefore, the explicit user id needs to be specified.

Bug: 366660154
Test: atest CtsSensorPrivacyTestCases:android.sensorprivacy.cts.SensorPrivacyMicrophoneTest
Flag: NONE bugfix
Change-Id: I725b2fda806020bd21075364fa52fc302a841249