am 4ceead6b: am e73f0dfc: Merge "Added adb_interface.WaitForProcess and WaitForProcessEnd."

Merge commit '4ceead6ba01a938499726809c90154cb0e8c1e22'

* commit '4ceead6ba01a938499726809c90154cb0e8c1e22':
  Added adb_interface.WaitForProcess and WaitForProcessEnd.