Fix google-explicit-constructor warnings in system/netd.

Declare explicit conversion constructors.

Bug: 28341362
Change-Id: Iff77bfbd86c032fb335dd62203a3b387f9576f3a
Test: build with clang-tidy
2 files changed
tree: 1482eb57d4109aac7af0ce5a2778019f14def81f
  1. client/
  2. include/
  3. server/
  4. tests/
  5. Android.mk
  6. MODULE_LICENSE_APACHE2
  7. NOTICE