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: 23ab6332a7f74ee9eeb7cc55be505d2f6694151c
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS