Track removal of Os.waitpid(..., Int32Ref, ...) from API.

Test: Treehugger
Bug: 70985234

(cherry picked from commit 08005bbe9157c84f88189a7d7e9db466324af910)

Change-Id: I62229d01c13ac12e8c263e601d46ceb4f7ae7a0e
Merged-In: I62229d01c13ac12e8c263e601d46ceb4f7ae7a0e
1 file changed