Link Probing: Experiments to vary trigger criteria

Run experiments by varying the delay between probes,
the delay after screen on, and the delay after last
Tx success. Count the number of probes that *would*
be triggered by each experiment, and upload to metrics.

Bug: 131091030
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: Id795b8acb86c4e64672e3ca5a9147647d93a1115
7 files changed