01f0ad7c13
- This removes a memory leak where some elements were not getting tracked properly (and then triggering an assert when a context is destroyed). - Convert ScriptCState to use a tracked object reference for mScript. - Add a missing clear to FontState. - Clean up synchronization in RSTest so that our graphics context outlives any subtest context. Change-Id: I0d5768c4d2f8810dd1ae2f68b1edd7e150f382fd