Merge "[RenderScript] Interrupt mMessageThread when tearing down context."
am: 9f2a1979a7

* commit '9f2a1979a750788f572709fe13c66a917ba8fdf8':
  [RenderScript] Interrupt mMessageThread when tearing down context.

Change-Id: Ie2b99b85e22b3e871111e33785565f8159939112