Fix missing stack trace on checkItemInfoLocked call

Just put this change into Launcher2, now adding to Launcher3

The call to checkItemInfoLocked from addItemToDatabase was missing a stack
trace so that if the check failed, the stack trace did not contain what
triggered the add.

Change-Id: Ia2e2aae20b16d4adadfe1da53b49e93073fab55c
1 file changed