_stbt.android: Don't print "About to run command: ['adb', 'devices', '-l']"
_stbt.android: Don't print "About to run command: ['adb', 'devices', '-l']"

We call this from every call to `AdbDevice.adb` to check if we need to
(re-)connect by calling "adb connect" first.

stb-tester/stb-tester,stb-tester/stb-tester,stb-tester/stb-tester,stb-tester/stb-tester