Add back host build for hello_world_test

Host gtest support is ready, enable it again to bring back this sample.

Bug: NA
Test: m clean; atest hello_world_test
      m clean; atest hello_world_test --host

Change-Id: I701bdcc9f875d19dec9292f4819b2136ea769ce5
1 file changed
tree: 6179f2149df0ce60baa63397591443017192f3a2
  1. build/
  2. docs/
  3. libraries/
  4. scripts/
  5. tests/
  6. utils/
  7. PREUPLOAD.cfg