Merge changes Idb275a5e,I74346887

* changes:
  Remove i686-linux-android gcc-4.7 bins, libs, and includes
  add OWNERS for prebuilts/gcc/linux-x86/x86/i686-linux-android-4.7
tree: 4f013987a4adb4fd9b94e07ec45ac5717a8931e6
  1. OWNERS