Fix rule ownership check when notifying from a ConditionProviderService

Because we jumped on a different thread to free up the caller, this meant that Binder.getCallingUid() was always the system process. Instead of that, always supply the (correct) callingUid to methods in ZenModeHelper.

Bug: 379722187
Test: atest ConditionProvidersTest ZenModeHelperTest
Flag: com.android.server.notification.fix_calling_uid_from_cps
Change-Id: If823e20623b359f1e48714d8a37f6acd194f50be