net-test: fix mixed build R+T lack of tcp_default_init_rwnd on old 4.14 kernels

Tested at 4.14.181 (android-4.14-stable) at
  commit 08870bd1a24fc7f3ae4ff30bc7e64c09edd931d4
  ANDROID: namespace'ify tcp_default_init_rwnd implementation
and the commit immediately prior to it.

in UML with namespaces always enabled via:
  ARCH=um SUBARCH=x86_64 /aosp-tests/net/test/run_net_test.sh --builder all_tests.py
at both commit 08870bd1a24fc7f3ae4ff30bc7e64c09edd931d4
and the preceding one (4f02b6c9ac416630a215a911e9b431cfd5f3cd98)

Bug: 216652717
Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I5d06a2e3c3c323dfa45d4ad6a82a93f164d6ce74
(cherry picked from commit 975366a206bec8e48a5ae8bbe7fc2820315b2e7f)
Merged-In: I5d06a2e3c3c323dfa45d4ad6a82a93f164d6ce74
2 files changed
tree: 0846f6982f360829a734ee02863cf78241f04483
  1. devicetree/
  2. net/
  3. Android.bp
  4. METADATA