this is the first step in unifying surfacetexture and surface.
for this reason the header files were not moved, as most of them
will eventually go away.
NOTE: currently we keep libsurfaceflinger_client.so as an empty
library to workaround prebuilt binaries wrongly linking against
it.
Change-Id: I130f0de2428e8579033dc41394d093f4e1431a00
This change enables the use of a SurfaceTexture in place of a Surface as
the destination of camera preview frames.
Change-Id: Ic70d404c8fe261e9d5da6f1de93d6babb5b191cb