Convert TunTwister's Twisting Methods to Classmethod

Convert the twisting methods so that other classes
can use the logic to twist either Ethernet or IP(vX)
packets without instantiating a Tun/TapTwister

Bug: 67868882
Test: xfrm_algorithm_test.py
Change-Id: I13b58a1c3be7252cb0119da5284dd7c6f6b566dc
1 file changed
tree: 559dacd0bff3c2826e3d4592e9fdaa59579caedd
  1. net/
  2. OWNERS