Reland "Put queued compilations in sets."

This reverts commit 5fe67aacaa2387410ad4c26051cba856328c99f9.

Bug: 218444629
Reason for revert: Have NotifyCompilationOf only check if the method is
being compiled.

Change-Id: I84f8a040fd094810cbfbaf0d9e1dfccbdb517968
5 files changed