Merge changes Ib24c04b1,If4248954

* changes:
  Remove arm-eabi gcc-4.7 bins, libs, and includes
  add OWNERS for prebuilts/gcc/linux-x86/arm/arm-eabi-4.7
tree: 4f013987a4adb4fd9b94e07ec45ac5717a8931e6
  1. OWNERS