DexFile: Add an API to query oat file status.

Tracks art change cd7e7f78b8e97c1f6.

bug: 27494108

(cherry picked from commit 8a66d46fd7405f3d21709b93c64fb3809bc7ee3e)

Change-Id: Ie9508793c2bcd852b388595582e025c28decdf19
1 file changed