Merge "Use UserHandles instead of userId integers." am: f2abf2692c am: 883841d201 am: 4ff8cf6391

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1589632

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8b6bdedc099cb421b52dd35b4ccfdfaf0d9c9633
tree: d644941683a62efe5a7095f2907bfd2cfa8b9d70
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS