Removes the dependency on default constructor parameters for
GLConsumer so that a different constructor prototype can safely be
added.
Change-Id: I0da924bbd4c141edbf305598c1be8bc575654680
Extract the many different test fixtures and suites in SurfaceTexture_test.cpp
into separate files. No real functional changes, just tweaking headers to keep
things building (and adding a few copyright headers I forgot last time).
Change-Id: Id801bd5d617f0cc61d22508fb9b71b41694bdecf