Move trimV4AddrZeros to libs/net

The utility is @UnsupportedAppUsage, and also used by internal classes
like WifiTrackerLib or Mms, so it needs to be in a shared location.

Bug: 182859030
Test: m
Change-Id: I25cb374f4743a5869e9da5b01d3a543a9a165c0e
1 file changed
tree: 0dfba977b07e787bf3bf64312d567540a1fc9571
  1. framework/
  2. service/
  3. OWNERS