
Add brief wait after local_test_runner restart calls to ensure the machine doesn't do anything else before restarting.

R=mad
DELTA=12  (5 added, 3 deleted, 4 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=5874


git-svn-id: 6f200aab33a7b6704a2e38529f84eef50a04cb11@285 722f4569-f0a1-f026-5e06-c3648ed4afc7

pombreda/swarming,pombreda/swarming,madecoste/swarming,luci/luci-py,madecoste/swarming,pombreda/swarming,madecoste/swarming,luci/luci-py,luci/luci-py,luci/luci-py,pombreda/swarming,madecoste/swarming