ANDROID: revert the rest of ANDROID_PARANOID_NETWORK

Primarily based on comments on:
  https://android-review.googlesource.com/c/kernel/common/+/808133


and the lack of ANDROID_PARANOID_NETWORK in android common kernel
based on upstream Linux v4.19.

Bug: 128944261
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I3cb269ed5ab963972f95c7acb92b1480d5d18244