Add fall back to createTunInterface when running on R

TNM.createTunInterface() takes different parameter from S.
GTS is multi-release, so it should be compatible with S
and before S build. Add sdk version check to support it.

Bug: 186680038
Test: atest GtsNetworkStackHostTestCases:\
      com.google.android.gts.networkstack.NetworkStackHostTest#\
      testNetworkStack
Original-Change: https://android-review.googlesource.com/1742033
Merged-In: I5a08068db43e507637a53a32c15a5eb453d50c32
Change-Id: I5a08068db43e507637a53a32c15a5eb453d50c32
2 files changed
tree: 26e24d1a01430f59c163ef393381c6b3b42e223d
  1. client-libs/
  2. common/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING