Copy common/pesubmit from internal buildbot without any change

The common library is used to talk to our internal gerrit.

Change-Id: Ief151ddc57d9ac88d2964f0836bf03467ac1b744
14 files changed
tree: 3303397c5465d50abafc2ab538a2e5d6b6148197
  1. build/
  2. emu_test/
  3. system_image_uitests/