tree b61d5b93ce590d8501d5d78607af68f35af091ee
parent bea7e7fc449fbd2ff304b3b17737d3e82576afb9
author George Mount <mount@google.com> 1568917274 -0700
committer George Mount <mount@google.com> 1569012455 -0700

Clear reference to EnterTransitionCoordinator when done

Fixes: 141162306

When transitions have completed, the EnterTransitionCoordinator
is no longer needed, so should be cleared so that its references
can be released.

Test: ran code producing the leak
Change-Id: Ia049d88a45dc27b77fcf4ab58a444457a6b87f88