tree f33b5787b39bdd51c639dc2692ec4bf351ec63e0
parent 7b27da1d8fc439bc238507ffb9b54d7032e561a1
author Fabian Kozynski <kozynski@google.com> 1582653604 -0500
committer Fabian Kozynski <kozynski@google.com> 1582653968 -0500

Iterate over a copy in QSTileHost#changeTiles

Prevent OOB exception when iterating over the list of previous tiles, as
it could be modified.

As we just need to find out what changed, there's no need to add extra
locking.

Test: no test
Fixes: 150212857
Change-Id: I129660a81771acba3d6a5da58fb14ed19659d4ea