Finish ops started on behalf of a removed package.

Two issues here - ops stated for a package that went away
by another package were not marked as finished. And when
the process that started the ops died we did not finish
all nested ops.

Test: atest android.permission.cts.AppOpsTest

bug: 64085448

Change-Id: Id57b3043605a65f2dfc1eea50b81793dd86f58d1