ANDROID: Different fix for KABI breakage in 4.19.209 in struct sock

This partially reverts commit ddf077f1.

Then fixes things up in such a way that
  BUILD_CONFIG=build/build.config.net_test for kernel_test
still works.

Bug: 202712021
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I40e24d7924fcffc23a2b8cc5ad50049808aa9455