Use UserHandles instead of userId integers.

userId integers are not public API and code should use UserHandle
instead.

Bug: 170598012
Test: passes existing tests
Change-Id: Ic27b93ccfe6bbc97e7419293ce165fee6cd51e6d
4 files changed
tree: 71493c85a8525a9cbf04e77a18b3cd5ef93e8f5f
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS