Move TETHERING_MODULE_NAME to libs/net

The constant is useful for both Connectivity and Tethering when they
want to check the APEX version. Include it in DeviceConfigUtils, as this
is what it will be used for.

Bug:
Test: atest ConnectivityServiceTest
Change-Id: Ib7a7677ca2954974613df25a105a65fe5d971afc
1 file changed
tree: 8e0be0057b36b032cbc792711f0f3e87edf4e8cb
  1. staticlibs/