warning: import should introduce unique simple name

Importing two different types with the same simple name is not allowed.

- collision with other imports

  import q.Bar;
  import r.Bar; // error

- collision with top-level type decl's name

  import q.Bar; // error
  parcelable Bar { .. }

Bug: 190782365
Test: aidl_unittests
Test: m
Change-Id: I13c0bde3f710d8230c61c1f0bb9680ea32f980eb
4 files changed