Additional logging for Bug 835197 - Intermittent test_0201_app_launch_apply_update.js, test_0202_app_launch_apply_update_dirlocked.js, test_0203_app_launch_apply_update.js [Exception... 'Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIFile.copyTo]'. r=bbondy