am d6efe69e: am 3142bdbf: am d150618d: Merge "Revert "System: Fastboot: warning fixit, misc bugs and cleanup.""

* commit 'd6efe69e3ae88c21d0d2efb4898d5d89bbd2f9d6':
  Revert "System: Fastboot: warning fixit, misc bugs and cleanup."