Upgrade emulator to emu-master-dev build 3696197 am: c383a21820
am: 2020dc0d46

Change-Id: Iaae91362a27248732d45501738c8b1afcb147ecb
tree: 283a3904940bb4a5f308eb4bca5ba5932e6a6a6c
  1. darwin-x86_64/
  2. linux-x86_64/
  3. .gitignore
  4. NOTICE
  5. README
  6. update_emulator.sh