fd32f0ddf4
This pulls out the clock and forceNoise443 code into methods on the Dialer as cleanup in its own commit to make a future change less distracting. Updates #13597 Change-Id: I7001e57fe7b508605930c5b141a061b6fb908733 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>