Hide app if it shares uid with whitelisted app

Statsd blame app based on uid, which may mapping to multiple packages.
If there is one app in whitelist, then we shouldn't blame other apps
in anomaly detection.

Change-Id: Ib546e207eb113cef9ef5fecb1138e61558e9cf55
Fixes: 77560853
Test: RunSettingsRoboTests