am dc618332: Merge "Add bootsigner path as an option"
am dc618332: Merge "Add bootsigner path as an option"

* commit 'dc618332644cb01bfa1354f0299fc9dadc1cb592':
  Add bootsigner path as an option

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build