Merge changes I85ff206a,I966be4a4

* changes:
  Remove mips-linux-android gcc-4.6 bins, libs, and includes
  add OWNERS for prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.6
tree: 4f013987a4adb4fd9b94e07ec45ac5717a8931e6
  1. OWNERS