setRssi method
Sets the signal strength (dBm) that a and b hear each other at
(-50 unless set).
Implementation
void setRssi(FakeBleRadio a, FakeBleRadio b, int rssi) {
_rssi[(a, b)] = rssi;
_rssi[(b, a)] = rssi;
for (final r in [a, b]) {
r._announceAll();
}
}