Removed system APIs are also required to exist

System APIs marked as @removed are removed from the system SDK but the
platform should support the APIs, until the APIs are finally deleted.

Ensure that the @removed APIs exist in the runtime classes by adding
system-removed.api to the list of expected apis.

Bug: 69900663
Test: cts-tradefed run cts --module CtsSystemCurrentApiSignatureTestCases
Change-Id: If7509e00d3f53dd5655d0031f3cf6b10390d37ea
2 files changed