Catch IllegalArgumentException to avoid SyncManager crash

When SyncManager's scheduling races with an app with a sync
adapter being uninstalled, it can get an IAE from PackageManager.

Catch this exception and skip over the job.

Bug: 36658118
Test: Manual
Change-Id: I0a63a3e0aa19cb5685aa18c7c6c9d6dd6ccfd60a