Upgrade emulator to emu-master-dev build 7222173

Test: existing
Bug: N/A

Signed-off-by: Yahan Zhou <yahan@google.com>
Change-Id: I000953343a5b865ad469b0bf73ab1e1c0598f6ba
25 files changed
tree: 908da8b39b47b4b8ab1d8a11e1172c8911bd2c99
  1. linux-x86_64/
  2. .gitignore
  3. BUILD
  4. NOTICE
  5. OWNERS
  6. README
  7. update_emulator.sh