[adb] Followup CL to clean up adb_auth_host.cpp am: 049ebb810f am: 998496bc66
am: eb58df6eed

* commit 'eb58df6eedf532338b20e68d15ded473612baa0b':
  [adb] Followup CL to clean up adb_auth_host.cpp

Change-Id: I1f6c663d7f8f9469b6d0c087caed357bf42fa1ba