[Caffe2] Skip caffe2/caffe2:caffe2_test_cpu - DBSeekTest.LMDB
Summary: skip broken tests in https://fburl.com/svc/zsbsrc7a to unblock dper fbpkg push.
Test Plan: buck test //caffe2/caffe2:caffe2_test_cpu -- 'DBSeekTest\.LMDB' --run-disabled
Reviewed By: cheshen1
Differential Revision: D20042330
fbshipit-source-id: 5b86e66da2a219c915c471b8e87f33239bdc5ba9
