Changed the onQualifiedNetworkTypesChanged API

Changed the first parameter from apnType to apnTypes so the
caller can update multiple APN types in one single call. This is
useful because in some cases one single APN setting can serve
multiple APN types.

Test: Manual
Bug: 73659459
Change-Id: Ifef463fe92f6933f3efaba74e6e758b8d49ddb93