[iperf_server] Use GCE instances as iperf server instead of MH servers

Enabled ports on GCE instances on each testbed. Config files need to be
updated with the iperf server and port numbers

Bug: 138748245
Test: Verified the changes
Change-Id: Ie98c3e83813d8ce363bbbb7ec97fb4f278c0f801
4 files changed
tree: 4ac4b3da5751e4a6e30eb24f443afc0faa01226a
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg