Replace hidden API - ALL_ZEROS_ADDRESS with public API

MacAddress is inside mainline module, so the external callers
cannot call its hidden API.
Replace hidden API - ALL_ZEROS_ADDRESS with MacAddress#fromString.

Bug: 182859030
Test: 1. Remove "framework-connectivity.impl"
      2. cd frameworks/opt/tv/tvsystem; mm
Change-Id: Ica21b6e15d40456f001421f6b00bc08835a5d7d4
1 file changed
tree: 8dc469e64364fb85fbfbfebe72e96676963beb43
  1. api/
  2. java/
  3. Android.bp
  4. OWNERS