Change anomalyType to ArraySet in AppInfo

After this cl, in AppInfo we could store mutilple anomalyTypes, so
AppInfo list will only contain one instance for each uid(however
still keep all the anomaly data)

In this way we could remove the duplicate items in app dialog.

Bug: 74335346
Test: RunSettingsRoboTests
Change-Id: I2ef7c218df2a956eea66aa6bdf03f5ddd19948e3