[automerger] [RESTRICT AUTOMERGE] Make Lock task default behaviour consistent with Settings. am: fe9f143d2c am: 4938d3e518 am: 498d367b2c am: d6f4a3f2bc skipped: ad38008f58
am: 970863ea62

Change-Id: I7cb30baeff59cbdfc688c9f44bfdb1c25f20f33a