Replace fields with getters in keepalive API

General guidance is to have getters in the API instead of fields.

Fixes: 181014882
Test: m
Change-Id: Id4bfc447701e8d0380163047779fbba043f17b6f
3 files changed
tree: 5100bfd965d3889ce9d11291f4c87a3b8d7c9cff
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS
  7. TEST_MAPPING