Add usb 3 and usb 2 configuration

Add usb 3.1 and 2.0 configuration to tethering iperf
and updating method to handle throughput reach "Gbits/sec"

Bug: b/138979808
Test: Run SL4A
Change-Id: I8eac72edfc9f7aec8c249524c3ccb03c1c42a591
1 file changed
tree: bc30d1a2e2fe3c13e4832c02508259feec9f69b5
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg