API changes for IPv6 MTU support

Change mtu->mtuV4 and add mtuV6 for DataProfile and DataCallResult
Add mtu to RouteInfo and update test

Test: atest FrameworksTelephonyTests
Bug: 146668814
Change-Id: I43c7e088e46e40f38d8114548e0fc4e39d7f91cb
Merged-In: I43c7e088e46e40f38d8114548e0fc4e39d7f91cb
2 files changed
tree: 644a049136aae294063c10286656e130d4657581
  1. core/
  2. services/
  3. tests/