Make getUid a method on UserHandle itself instead of static

This commit addresses the API review feedback that getUid()
will be better to make it be a method on UserHandle itself
rather than a static method.

Update as it is and update the corresponding usages.

Fix: 184735865
Test: make update-api
Test: atest FrameworksNetTests
Test: atest CtsNetTestCasesLatestSdk
Change-Id: I33844309224d84764704255d251fadc8940202ca
1 file changed
tree: 9d417b27c2ac92725445847a821f8cd5bbe27542
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING