Upgrade emulator to emu-master-dev build 3939570 am: 89fbf2893b
am: e54ed348b8

Change-Id: I6eaa41e24ba8687a64c7f9c9768321853b39f777
tree: 1194823829bb02a7946e246ad660ff5df6c0ca22
  1. darwin-x86_64/
  2. linux-x86_64/
  3. .gitignore
  4. NOTICE
  5. README
  6. update_emulator.sh