[thread] add initial ThreadNetwork apex build files am: 9924359435 am: 93bd8e231d am: 2daf67fbd5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/ThreadNetwork/+/2611590

Change-Id: I54f56ba97bee099d2d12690d0c465106e97e970c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: e6f1c6f0b65b56f2667a79cd906da2c4679af477
  1. apex/
  2. OWNERS