The system is overwhelmed by an enormous label string returned by the load label api. This cl truncates the label string if it exceeds the maximum safe length. Bug: 67013844 Test: atest PackageManagerTest Change-Id: Ia4d768cc93a47cfb8b6f7c4b6dc73abd801809bd Merged-in: Ia4d768cc93a47cfb8b6f7c4b6dc73abd801809bd