Steven Thomas 58da77ea4b Avoid crash when setting buffer on deleted layer
When setLayerBuffer() was called on a layer previously destroyed by
destroyLayer() the code would crash. Instead, return an error.

Bug: 37159844

Test: Ran vr flinger in a way that would trigger the crash, and
confirmed that I now get error logs instead of crashing. Unfortunately
the error code is consumed by the Composer wrapper class and not
propagated back to the caller, but that's a separate issue (b/37901601).

Change-Id: I75a5b954d47a1deac44d03851f60f347085eca89
2017-05-02 17:39:39 +00:00
2017-04-25 15:05:32 -07:00
2017-04-24 18:17:18 +00:00
2017-04-11 09:58:03 -07:00
2017-04-24 17:02:17 -07:00
2016-08-30 11:28:36 -07:00
2016-08-30 11:28:36 -07:00
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