am ef063fe3: merge from open-source master

Merge commit 'ef063fe3066153dab5389b6baba6cb4e36888106'

* commit 'ef063fe3066153dab5389b6baba6cb4e36888106':
  Add support for Acer devices
  FreeBSD support for usb-connected devices in adb
  Make get_my_path() safer
  Fix use of memset function