Write pid file so we can tell when netd bounces.

We clear the file early so people know it's died and rewrite after all the
setup and flushing of data is done so people know when it's safe to
repopulate the data.

bug:18069270
Change-Id: I954cf43ff02f1d352015f128ef88b659e6d0f95a
1 file changed
tree: 903db1ed6d5183f3a570f6c079f9b9f68127aa37
  1. client/
  2. include/
  3. server/