[adb] Issue the "auth" emulator command before any other one
am: a9e2b99a7f

* commit 'a9e2b99a7fdd31bcd6d852c6db26fe592236a24f':
  [adb] Issue the "auth" emulator command before any other one

Change-Id: I27e52100bd933e671adea1e8d03664fce855daaa